Food Grade Silicone - Made of Non-Toxic, Durable, Soft Texture food grade silicone.
Handy Taps Around The Lid - When The Silicone Lids Hold On The Cup Or Bowls Tightly, The Handy Taps Makes Them Easy To Remove From Container And Keep Food Fresh In Fridge Without Leak.
Multi Size & Cycle Use - The Silicone Stretch Lid Include Various Sizes, Which Are Compatible For Bowl, Can, Jar, Glassware, Food Saver Covers Safe In Dishwasher, Microwave And Freezer.