Health and safety：Silicone lids have LFGB, FDA and BPA-free safety certification, environmentally friendly, non-toxic, durable and leak-proof, health and safety for babies and adults. Keep Food Fresh：The sustainable way to keep food fresh and stored.The airtight seal keeps food fresher longer and protects it from leaks.The lid as well as the rim of the pot must only be dry before fixing.The silicone stretch lid is better than plastic wrap. Multi-sizes for multifunction：Total 6 pieces per set: 6.5cm, 9.5cm, 10.5cm, 14.5cm, 16.5cm, 20.5cm.The containers come in different shapes and sizes, including: salad bowls, glass, glass, food, can, cans, cups, juice caps, pots, pans, watermelon, pineapple, melon or other fruits and vegetables. Reusable and easy to clean：Made of high quality silicone, soft texture, tear resistance, with excellent wear resistance. The use of temperature range -40 ~ +230, suitable for dishwashers, refrigerators, microwave ovens, electric ovens can be used.