Refine Search

Did you mean: glow port cap Refine Search

Product results

Product results

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Wheaton® 1 oz Glass Bottles, Clear, PTFE Lined Polypropylene Caps, case/48

    Wheaton® 1 oz Glass Bottles, Clear, PTFE Lined Polypropylene Caps, case/48

    DWK Life Sciences

    Price: $91.17
    WHEATON® Boston Round, Glass Bottles, 30mL or 1oz Clear, 20-400 Finish. (1 oz Bottle, Type III Clear, PP Cap, PTFE Liner) 1 oz Glass Bottles, Clear, PP Cap, PTFE Liner. Clear Type III soda-lime...
    DWK-W216806
    Price: $91.17
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $91.17
    Subtotal:
  • Case of 200 Wheaton® 22-400 Black Open Top Hole Caps, No Septa, Phenolic (Product Code: DWK-W240517).

    Wheaton® 22-400 Black Open Top Hole Caps, No Septa, Phenolic, case/200

    DWK Life Sciences

    Price: $102.70
    WHEATON® Screw Caps, unlined, Black, 22-400, Unlined Black phenolic screw cap Open top caps provide access with a syringe Linerless Autoclavable
    DWK-W240517
    Price: $102.70
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $102.70
    Subtotal:
  • 100mm (100-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240 100mm (100-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    100mm (100-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    Parkway Plastics

    Price: $309.43
    100mm White Pressure Sensitive Lined Smooth closure for poly jars. 100-400 finish, Polypropylene (PP). Product Diameter: 3.95 in. PLEASE NOTE: These caps are not returnable.
    PKW-C100C4SPPSW
    Price: $309.43
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $309.43
    Subtotal:
  • KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 50 ml, case/24

    KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 50 ml, case/24

    DWK Life Sciences

    Price: $1,288.28
    KIMBLE® KIMAX® SCREW CAP ERLENMEYER FLASKS Used to mix and store culture media, as well as with other culturing techniques. Flask with a screw-thread finish. Included are long caps with...
    DWK-26505-50
    Price: $1,288.28
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $1,288.28
    Subtotal:
  • Wheaton® Clear Safety Coated Boston Round Bottle, Without Cap, 32oz, case/30

    Wheaton® Clear Safety Coated Boston Round Bottle, Without Cap, 32oz, case/30

    DWK Life Sciences

    Price: $308.68
    WHEATON® Clear Safety Coated Boston Round Bottle, Without Cap, 32oz, Case/30Boston round bottle can hold most types of liquids or solids. Traditionally used for laboratory, pharmaceutical, or...
    DWK-W217850
    Price: $308.68
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $308.68
    Subtotal:
  • 120mm (120-400) White Polypropylene Pressure-Sensitive Lined Domed Cap, case/210 120mm (120-400) White Polypropylene Pressure-Sensitive Lined Domed Cap, case/210

    120mm (120-400) White Polypropylene Pressure-Sensitive Lined Domed Cap, case/210

    Parkway Plastics

    Price: $235.03
    120mm White Pressure Sensitive Lined Domed closure for poly jars. 120-400 finish, Polypropylene (PP). Product Diameter: 4.73 in. PLEASE NOTE: These caps are not returnable.
    PKW-C120C4DPPSW
    Price: $235.03
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $235.03
    Subtotal:
  • 120mm (120-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240 120mm (120-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    120mm (120-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    Parkway Plastics

    Price: $280.49
    120mm White Pressure Sensitive Lined Smooth closure for poly jars. 120-400 finish, Polypropylene (PP). Product Diameter: 4.73 in. PLEASE NOTE: These caps are not returnable.
    PKW-C120C4SPPSW
    Price: $280.49
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $280.49
    Subtotal:
  • 70mm (70-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/900

    70mm (70-400) White Polypropylene Pressure-Sensitive Lined Smooth Cap, case/900

    Parkway Plastics

    Price: $343.73
    70mm White Pressure Sensitive Lined Smooth closure for poly jars. 70-400 finish, Polypropylene (PP.) Product Diameter: 2.75 in. PLEASE NOTE: These caps are not returnable.
    PKW-C070C4SPPSW
    Price: $343.73
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $343.73
    Subtotal:
  • Wheaton® Borosilicate Glass 16 x 125mm Culture Tubes, 15-415 Cap, case/144

    Wheaton® Borosilicate Glass 16 x 125mm Culture Tubes, 15-415 Cap, case/144

    DWK Life Sciences

    Price: $259.37
    WHEATON® Culture Tubes, 15-415 Finish. (16 X 125 mm Tube, Culture, 15-415 Cap)These standard round-bottom culture tubes are manufactured from 51 expansion borosilicate glass that conforms to ASTM...
    DWK-358607
    Price: $259.37
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $259.37
    Subtotal:
  • Case of 200 Wheaton® 38-439 Black Phenolic Caps with Foil Faced Pulp Liner (Product Code: DWK-W240382)..

    Wheaton® 38-439 Black Phenolic Caps, Foil Faced Pulp Liner, case/200

    DWK Life Sciences

    Price: $379.09
    WHEATON® Screw Caps with Metal Foil liner, Black, 38-439 with Metal Foil liner (38-439 Cap, Phenolic Black, Aluminum Foil/Pulp Liner) 38-439 Black Phenolic Caps, Aluminum Faced Pulp Liner...
    DWK-W240382
    Price: $379.09
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $379.09
    Subtotal:
  • KIMBLE® Convenience Packs, 1000 ml Clear Glass Bottles, Rubber Lined Caps, case/12

    KIMBLE® Convenience Packs, 1000 ml Clear Glass Bottles, Rubber Lined Caps, case/12

    DWK Life Sciences

    Price: $72.96
    KIMBLE® Convenience Packs (Caps Attached), 1000 mL, Rubber, case/12 KIMBLE® Clear Boston Rounds are made from Type III soda-lime glass and have a narrow-mouth design. Clear bottles allow for...
    DWK-5113233V-24
    Price: $72.96
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $72.96
    Subtotal:
  • KIMBLE® Convenience Packs, Clear Glass Bottles, 500 ml, Rubber Lined Caps, case/12

    KIMBLE® Convenience Packs, Clear Glass Bottles, 500 ml, Rubber Lined Caps, case/12

    DWK Life Sciences

    Price: $49.99
    KIMBLE® Convenience Packs (Caps Attached), 500 mL, Rubber, case/12 KIMBLE® Clear Boston Rounds are made from Type III soda-lime glass and have a narrow-mouth design. Clear bottles allow for...
    DWK-5111628V-24
    Price: $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.99
    Subtotal:
  • KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 500 ml, case/24

    KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 500 ml, case/24

    DWK Life Sciences

    Price: $1,471.31
    KIMBLE® KIMAX® SCREW CAP ERLENMEYER FLASKS Used to mix and store culture media, as well as with other culturing techniques. Flask with a screw-thread finish. Included are long caps with...
    DWK-26505-500
    Price: $1,471.31
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $1,471.31
    Subtotal:
  • 100mm (100-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240 100mm (100-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    100mm (100-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/240

    Parkway Plastics

    Price: $309.43
    100mm Black Polypropylene Pressure Sensitive Lined Smooth closure for poly jars. 100-400 finish, Polypropylene (PP). Product Diameter: 3.95 in. PLEASE NOTE: These caps are not returnable.
    PKW-C100C4SPPSB
    Price: $309.43
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $309.43
    Subtotal:
  • 120mm (120-400) Black Polypropylene Pressure-Sensitive Lined Domed Cap, case/210 120mm (120-400) Black Polypropylene Pressure-Sensitive Lined Domed Cap, case/210

    120mm (120-400) Black Polypropylene Pressure-Sensitive Lined Domed Cap, case/210

    Parkway Plastics

    Price: $235.03
    120mm Black Polypropylene Pressure Sensitive Lined Domed closure for poly jars. 120-400 finish, Polypropylene (PP). Product Diameter: 4.73 in. PLEASE NOTE: These caps are not returnable.
    PKW-C120C4DPPSB
    Price: $235.03
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $235.03
    Subtotal:
  • 120mm (120-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/240 120mm (120-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/240

    120mm (120-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/240

    Parkway Plastics

    Price: $309.43
    120mm Natural Polypropylene Pressure Sensitive Lined Ribbed closure for poly jars. 120-400 finish, Polypropylene (PP). Product Diameter: 4.76 in. PLEASE NOTE: These caps are not returnable.
    PKW-C120C4RPPSN
    Price: $309.43
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $309.43
    Subtotal:
  • 33mm (33-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/4000 33mm (33-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/4000

    33mm (33-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/4000

    Parkway Plastics

    Price: $555.66
    33mm Black Polypropylene Pressure Sensitive Lined Smooth closure for poly jars. 33-400 finish, Polypropylene (PP) Product Diameter: 1.28 in. PLEASE NOTE: These caps are not returnable.
    PKW-C033C4SPPSB
    Price: $555.66
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $555.66
    Subtotal:
  • 89mm (89-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/504 89mm (89-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/504

    89mm (89-400) Black Polypropylene Pressure-Sensitive Lined Smooth Cap, case/504

    Parkway Plastics

    Price: $358.39
    89mm Black Polypropylene Pressure Sensitive Lined Smooth closure for poly jars. 89-400 finish, Polypropylene (PP.) Product Diameter: 3.50 in. PLEASE NOTE: These caps are not returnable.
    PKW-C089C4SPPSB
    Price: $358.39
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $358.39
    Subtotal:
  • 89mm (89-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/504 89mm (89-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/504

    89mm (89-400) Natural Polypropylene Pressure-Sensitive Lined Ribbed Cap, case/504

    Parkway Plastics

    Price: $358.39
    89mm Natural Polypropylene Pressure Sensitive Lined Ribbed closure for poly jars. 89-400 finish, Polypropylene (PP.) Product Diameter: 3.53 in. PLEASE NOTE: These caps are not returnable.
    PKW-C089C4RPPSN
    Price: $358.39
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $358.39
    Subtotal:
  • Wheaton® Clear Straight Sided Jar, Without Cap, 2 oz, case/144

    Wheaton® Clear Straight Sided Jar, Without Cap, 2 oz, case/144

    DWK Life Sciences

    Price: $159.12
    WHEATON® Clear Straight Sided Jar, Without Cap, 2 oz, Case/144 General purpose, straight sided, clear glass jar. Available in a range of sizes 1, 2, 4, 8, and 16 oz, with or without screw caps...
    DWK-W216919
    Price: $159.12
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $159.12
    Subtotal:
  • Wheaton® Safety Coated Boston Round Bottle, Without Cap, 8oz, case/48

    Wheaton® Safety Coated Boston Round Bottle, Without Cap, 8oz, case/48

    DWK Life Sciences

    Price: $323.38
    WHEATON® Safety Coated Boston Round Bottle, Without Cap, 8oz, Case/48Boston round bottle can hold most types of liquids or solids. Traditionally used for laboratory, pharmaceutical, or chemical...
    DWK-220724
    Price: $323.38
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $323.38
    Subtotal:
  • Wheaton® Dropper Tip Cap, 8-425, Natural, case/100

    Wheaton® Dropper Tip Cap, 8-425, Natural, case/100

    DWK Life Sciences

    Price: $46.08
    WHEATON® Dropper Tip Cap, 8-425, Natural, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242501-01
    Price: $46.08
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $46.08
    Subtotal:
  • Wheaton® Dropper Tip Cap, 20-410, Blue, case/100

    Wheaton® Dropper Tip Cap, 20-410, Blue, case/100

    DWK Life Sciences

    Price: $60.00
    WHEATON® Dropper Tip Cap, 20-410, Blue, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242524
    Price: $60.00
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $60.00
    Subtotal:
  • Wheaton® Dropper Tip Cap, 15-415, Green, case/100

    Wheaton® Dropper Tip Cap, 15-415, Green, case/100

    DWK Life Sciences

    Price: $49.70
    WHEATON® Dropper Tip Cap, 15-415, Green, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242516
    Price: $49.70
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.70
    Subtotal:
  • Wheaton® Dropper Tip Cap, 8-425, White, case/100

    Wheaton® Dropper Tip Cap, 8-425, White, case/100

    DWK Life Sciences

    Price: $47.20
    WHEATON® Dropper Tip Cap, 8-425, White, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242510
    Price: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $47.20
    Subtotal:
  • Wheaton® Dropper Tip Cap, 20-410, Purple, case/100

    Wheaton® Dropper Tip Cap, 20-410, Purple, case/100

    DWK Life Sciences

    Price: $60.00
    WHEATON® Dropper Tip Cap, 20-410, Purple, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242527
    Price: $60.00
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $60.00
    Subtotal:
  • Image of Wheaton® Dropper Tip Cap in Brown, suitable for 15-415 size, packaged in cases of 1000 (DWK-W242519-A)

    Wheaton® Dropper Tip Cap, 15-415, Brown, case/1000

    DWK Life Sciences

    Price: $385.54
    WHEATON® Dropper Tip Cap, 15-415, Brown, Case/1000 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-W242519-A
    Price: $385.54
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $385.54
    Subtotal:
  • Wheaton® 1000 ml Clear Polystyrene Jar, Polyethylene Foam Lined Cap, case/24

    Wheaton® 1000 ml Clear Polystyrene Jar, Polyethylene Foam Lined Cap, case/24

    DWK Life Sciences

    Price: $258.20
    WHEATON® Plastic Straight Side Jars, 1000mL or 32oz, Polystyrene, 120-400 Finish (1000 mL Jar, Polystyrene, Clear, Foamed PE Lined Cap) 1000mL Clear Polystyrene Jar, Foamed PE Lined Cap. Clear...
    DWK-W209917
    Price: $258.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $258.20
    Subtotal:
  • Wheaton® Borosilicate Glass 5mL Vacule Vacuum Ampule, 22-350 Caps, case/200

    Wheaton® Borosilicate Glass 5mL Vacule Vacuum Ampule, 22-350 Caps, case/200

    DWK Life Sciences

    Price: $298.20
    WHEATON® 5 mL Vacule With 22-350 Cap. Heavy wall construction designed for Lyophilization and freeze-drying. Manufactured from 33 low extractable Clear borosilicate glass that conforms to ASTM...
    DWK-651905
    Price: $298.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $298.20
    Subtotal:
  • KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 250 ml, case/24

    KIMBLE® KIMAX® Screw Cap Erlenmeyer Flasks, Borosilicate Glass, 250 ml, case/24

    DWK Life Sciences

    Price: $1,444.91
    KIMBLE® KIMAX® SCREW CAP ERLENMEYER FLASKS Used to mix and store culture media, as well as with other culturing techniques. Flask with a screw-thread finish. Included are long caps with...
    DWK-26505-250
    Price: $1,444.91
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $1,444.91
    Subtotal:
  • Wheaton® Dropper Tip Cap, 13-425, White, case/100

    Wheaton® Dropper Tip Cap, 13-425, White, case/100

    DWK Life Sciences

    Price: $49.99
    WHEATON® Dropper Tip Cap, 13-425, White, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242540
    Price: $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.99
    Subtotal:
  • Wheaton® Dropper Tip Cap, 8-425, Brown, case/100

    Wheaton® Dropper Tip Cap, 8-425, Brown, case/100

    DWK Life Sciences

    Price: $47.20
    WHEATON® Dropper Tip Cap, 8-425, Brown, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242509
    Price: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $47.20
    Subtotal:
  • Wheaton® Dropper Tip Cap, 8-425, Red, case/100

    Wheaton® Dropper Tip Cap, 8-425, Red, case/100

    DWK Life Sciences

    Price: $47.20
    WHEATON® Dropper Tip Cap, 8-425, Red, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242502
    Price: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $47.20
    Subtotal:
  • Wheaton® Dropper Tip Cap, 13-425, Pink, case/100

    Wheaton® Dropper Tip Cap, 13-425, Pink, case/100

    DWK Life Sciences

    Price: $49.99
    WHEATON® Dropper Tip Cap, 13-425, Pink, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242531
    Price: $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.99
    Subtotal:
  • Wheaton® Dropper Tip Cap, 20-410, Gray, case/100

    Wheaton® Dropper Tip Cap, 20-410, Gray, case/100

    DWK Life Sciences

    Price: $60.00
    WHEATON® Dropper Tip Cap, 20-410, Gray, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242525
    Price: $60.00
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $60.00
    Subtotal:
  • Wheaton® Dropper Tip Cap, 15-415, Orange, case/100

    Wheaton® Dropper Tip Cap, 15-415, Orange, case/100

    DWK Life Sciences

    Price: $49.70
    WHEATON® Dropper Tip Cap, 15-415, Orange, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242513
    Price: $49.70
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.70
    Subtotal:
  • Wheaton® Dropper Tip Cap, 13-425, Purple, case/100

    Wheaton® Dropper Tip Cap, 13-425, Purple, case/100

    DWK Life Sciences

    Price: $49.99
    WHEATON® Dropper Tip Cap, 13-425, Purple, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242537
    Price: $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.99
    Subtotal:
  • Wheaton® Dropper Tip Cap, 8-425, Purple, case/100

    Wheaton® Dropper Tip Cap, 8-425, Purple, case/100

    DWK Life Sciences

    Price: $47.20
    WHEATON® Dropper Tip Cap, 8-425, Purple, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242507
    Price: $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $47.20
    Subtotal:
  • Wheaton® Dropper Tip Cap, 13-425, Red, case/100

    Wheaton® Dropper Tip Cap, 13-425, Red, case/100

    DWK Life Sciences

    Price: $49.99
    WHEATON® Dropper Tip Cap, 13-425, Red, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242532
    Price: $49.99
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $49.99
    Subtotal:
  • Wheaton® Dropper Tip Cap, 20-410, Orange, case/100

    Wheaton® Dropper Tip Cap, 20-410, Orange, case/100

    DWK Life Sciences

    Price: $60.00
    WHEATON® Dropper Tip Cap, 20-410, Orange, Case/100 Made from polypropylene offering good chemical resistance Manufactured to stringent ISO and quality standards and Lot controlled Choice of...
    DWK-242523
    Price: $60.00
    Qty in Cart: 0
    Quantity:
    Price:
    Price: $60.00
    Subtotal:
  • Total: items /

Adding your products to cart