White Carlisle 1064702 StorPlus Food Storage Lid helps keep your food from being contaminated, loose moisture and helps aid in a no spill environment. The plastic lid was made from polyethylene which is a material that can withstand temperatures from -40°F up to 180°F (82°C). Although the lid is mainly plastic BPA was not used to make it, still making it safe to have contact with food while conserving our planet. The lid is white and can easily pop on or off with reinforced corners for longer lifetime. A dishwasher safe feature allows you to easily wash the lids while a stackable design saves space in your kitchen.