These bottle lids, which are made of bamboo, silicone materials, and can be used for a long time. The lid is flexible to fit wide mouth bottle, and other canning jars perfectly. Share with your friends and family as it is a wonderful housewarming gift. Features -Color:Light Yellow -Material:Silicone, bamboo -Size:7.00X7.00X1.50cm/2.75X2.75X0.59in -Note: Suitable for 7.5cm jar - The jar lids have simple appearance, easy to use. They can provide more convenience to you. -These lids are easy to use and clean, easy to maintain. And offer you enough lids for using. -There is a straw hole of this jar lid, and you can put straws easily. -The practical lid is light, not easily deformed, strong, and beautiful. -There is a silicone ring embedded around the jar lid, you could remove whenever you want to clean your jar or jar lid, reduce your burden of cleaning, save time and make it reusable. Package list: 3 x jar cover