WHEATON® Screw Caps, White, 53-400 with Poly-Vinyl liner (53-400 Cap, PP White, Poly-Vinyl Liner) 53-400 Caps, PP, White, Poly-Vinyl Liner.
- Use these caps with or other manufacturer's numbered glass bottles or vials
- White polypropylene screw cap provides Clear surface for writing on cap
- Poly-vinyl liner provides an excellent moisture barrier
- Good for mild acids, alkalis, solvents, alcohols, oils and aqueous products