Hi-Visibility HDPE Column Protectors keep your warehouse supports safe. Affordable protection for warehouse and factory columns and beams come in Yellow, high visibility Orange and Lime Green (LM). Orange and Lime come with reflective straps and yellow comes with flat black straps. These blow-molded 100% high density polyethylene protectors fit 6", 8", 10" and 12" round or square supports. No tools required. Two halves attach with easy-to-install straps.