Are you looking for a professional, yet affordable thermal bottle lid sealing ring? Are you in search of a sturdy, trustworthylunch box lid sealing ringthat can do multiple jobs at once? If yes, look no further! Our professionallunch box lid sealing ringmust meet your need. Features -Color:White-Material:Silicone-Size:6.00X6.00X0.26cm/2.36X2.36X0.10in-The silicone ring is flexible and can be fit 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 high-grade silicone material, which is durable and practical for daily use.-With good elasticity, this silicone ring has good elastic and flexible, much practical.Packing list: 4 x Sealing Rings