These lids will seal in an air tight environment. Easy to use and clean.

• Plastic tops are round yet stretchy enough to fit snugly over odd-shaped mugs, pots, cups & bowls
• perfect for keeping leftover food fresher for longer, they are super-stretchy to fit all sizes and shape bowl,whether they are round, square or rectangular. No need to throw away pots which have lost their lid anymore
• Microwave-safe & heat-resistant to 450 F so you can quickly reheat & enjoy delicious leftovers
• These lids will seal in an air tight environment.
• Size: 6.5CM，9.5CM，11.5CM，14.5CM，16.5CM，21CM

Plastic tops are round yet stretchy enough to fit snugly over odd-shaped mugs, pots, cups & bowlsHysagtek