1.health and hygiene: food grade silica gel material, health and harmless, healthy and low carbon, can be recycled. 2. Humanized design: There are convex corners around the maintenance cover, which is convenient to carry and use. 3. good seal: good seal, no water leakage upside down, no cross taste between foods. 4. cold or hot: you can stand in the fridge, you can stand in the oven. 5. Anti-slip inner ring design: anti-wear inner ring design, good adsorption performance, good fresh keeping effect. 6. Portable design: Portable humanized design is more convenient to use. Package includes: 6/12/24xSilicone Stretch Lids Feature: -Strong adsorption, leak-proof. -Suitable for containers, cups and even directly over food items -Durable and will not tear, can be used over and over again. -Dishwasher and freezer safe, money saving and eco-friendly. -Silicone material, for your food safety. BPA Free and reusable. -6Pcs/Set kitchen silicone cover. The stretchy lid is compatible with many container sizes and shapes. -Can be used in microwave or refrigerators. Keep food fresh. Food will taste as good as new: airtight seal keeps food fresh longer. Details: Material: Silicone Color: Green /rose red/blue/pink/transparent Size:6.5cm,9.5cm,11.5cm,14.5cm,16.5cm,20.5cm