Package: Include 240 plastic bowl covers, 80 x large size: 10.6inch, 80 x medium size: 8.3inch, 80 x small size: 5.9inch. Various sizes for you to choose, to meet all your needs | Food Grade Material: SOUJOY Food storage cover is made of colorful food-grade PE material. They are thick and reusable, safe to use. Temperature range available: Low Temperature - 40°F, High Temperature 190°F | Stretchable Design: These bowl lids have elastic and retractable openings, they make storage easier and faster, covering a dish in just seconds | Easy to Use: Our flexible wrap fits bowls, plates, and food containers in different sizes. When fixed on the top of the container, they form a hermetic seal, which can keep the food fresh, dustproof, and cleanMicrowave safe | Multi-Purpose: The seal bag can be used for camping, picnic, barbecue and kitchen food preservation to block dust and use it to cover food and leftovers. Also can be used as shower caps, disposable shoe covers, etc