SILICONE LIDS: Silicone food wrap are made of food grade silicone,high quality silicone, harmless, BPA free. You can simply put the silicone lid on to cover your food and heat it up in the oven or microwave. . RECTANGLE + ROUND LID - silicone stretch lids are comprise of 7 size round lids and 6 size rectangle lids, which makes it fit for more containers, such as bowls, dishes, cans, cups, glassware, small pot, square and rectangle containers .etc. Also fit for fruits, such as watermelon, pineapple, cantaloupe, lemon, onions, etc. One set meet all needs. . REUSABLE DURABLE: Silicone Covers for food,made of high quality silicone, soft texture, tear resistance, with super wear resistance.The use of the temperature range -40 ~ +240.Save disposable plastic wrap and safe in dishwasher, refrigerators, microwave ovens, electric oven can be used. . EASY TO CLEAN - Create a perfect seal on any glass, plastic or metal containers, they can also serve as replacement for lost lids for round shape containers. Just place them in the dishwasher or hand wash with soap in warm water after each use. . 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. .