288ea - 2 13/16" Black Pp Lid For Screw Top Jars - Use these precision-made PET plastic lids to keep your cosmetics and creams secure. They feature a round, flat top, smooth sides, and threaded interior. Solid colored surfaces offer UV protection for light-sensitive substances. Made of USDA food approved PET plastic. PET (Polyethylene Terephthalate) is a strong, lightweight, shatter-resistant plastic. It provides a strong barrier against water vapor, oils, alcohols, and UV rays.PET Plastic Screw Top Lids are offered in a variety of sizes. Coordinating PET Plastic Cylinder Screw Top Jars and cushion pads are sold separately. To match jars and lids, select the same letter in the key code column. For example, Jar "K" and Lid "K" and Pad "A" all fit together.