SAFE& ENVIRONMENTAL SILICONE LIDS: 100% Food grade silicone environmental protection material. BPA free . Resistant to high and low temperature form -30 up to 230℃.REUSABLE SILICONE FOOD COVERS: Made of high quality silicone, tight and seal, flexible, durable for reusable. Save disposable plastic wrap and safe in dishwasher, microwave and freeze.FRESH KEEPER & FOOD ORGANIZER: Keep fruits, vegetables, drinks and other leftover foods fresh and the transparent silicone stretch lids help you organize your foods or fruits easily.VARIOUS SIZES: Create a perfect seal on any glass, plastic or metal containers, they can also serve as replacement for lost lids for round, square and irregular shape containers.TRYING TO DO OUR PART TO SAVE THE PLANET: Great replacement for wasteful plastic cling wrap that always leaves a sticky residue on our bowls' edges. they will save money and the environment by not using plastic wrap.Goodbye, plastic wrap and waste.