Cover with PE gasket or inner plugPlain screw top caps are made of polypropylene, and it comes with a polyethylene foam liner to meet with FDA standards for food or drug use. They are known for good impact strength and pliability, moreover, they are cost effective. They are great for a variety of applications such as shampoo, soaps, lotion, and more. For our plain screw top caps, the color we always kept in stock is white, black or transparent. Any custom color can be manufactured immediately if you’re in need of bulk purchase.
