Food Grade Silicone: 100% silicone ensures complete food safety, so it can be used for bottlenecks etc. Does not absorb or emit odor or taste. Due to its resistance, stability and flexibilityAvailable in a variety of sizes: 6-pack, available in 6 different sizes. They are great for storing food, serving dishes, unprepared drinks or any leftover fruit.Function: The elastic silicone sleeve can withstand and stretch containers of different prongs and sizes, whether they are round, square, rectangular, hexagonal, etc.Recycling: Made of high quality silicone, eco-friendly and reusable. They can completely replace aluminum foil, plastic wrap.It can be used to cover and reheat food in the oven or microwave to prevent splashes, as well as to store, preserve smells, food in the refrigerator and freezer. This silicone sleeve is suitable for different materials such as metal, glass, ceramic, etc., and the suction effect is better.Product diameter: 65/95/115/145/165/205mm