Reasons for choosing us: 1. High Quality food-grade silicone food lids cover. 2. The silicone lids are made of food-grade silicone. Safe and healthy for adult and Baby food storage. 3. Easy to stretch, stretchable lids are durable and it won't tear. 4. Low and high-temperature resistance, silicone stretch lids food cover can withstand a big temperature range. Heat resistant: up to 400°F Frost resistant: down to 40°F 5. Strong sealability, keep food fresh by keeping it away from air contact. 6. Stretchable and easy to stretch, suitable for all sizes of bowls, even square bowls. 7. They are safe to work in the dishwasher, microwave, and refrigerator and can save space when placed on their side in the refrigerator. 8. They can be reused, thus reducing plastic waste massively. Save your money on a plastic wrap.