This is a bottle lid sealing ring, made of silicone material. This silicone ring is suitable for the most bottle lid, elastic and flexible, thus can be applied in to round lid easily. This sealing ring make no interspace between the bottle and lid, you can keep water easily. Features - Color: White -Material:Silicone - Size: 6.80X6.80X0.20cm/2.67X2.67X0.08in -The silicone ring is flexible and can your bottle lid well, you can install it easily. -Enough to meet your daily needs and replacements, or you can share them with your friends, family, and others who need them -Replacement sealing ring for bottle, sealed leak proof heat insulation, can be used for a long time. -Adoption silicone material, which is and practical for daily use. -With good elasticity, this silicone ring has good elastic and flexible, much practical. Package list: 6 x lid sealing rings