DescriptionThe sealing rings are flexible and portable to use, because they are made of rubber material, easy to stretch and use.The rubber seals are easy to use for a long time, and you don't need to replace frequently . Airtight sealing, protecting your cup well.Features-Color:Black -Material:Rubber -Size:11.20X0.50X0.50cm/4.40X0.20X0.20in -Select durable rubber materials, these sealing rings are safe to use on the water bottles. -The rubber lid rings are easy to clean, convenient to use, convenient and easy to install and replace. -Rubber sealing rings, more resistant to high temperature, acid, more durable to use. -Replace the lid seal ring to make your water bottle's lid clean, also share with family and other people who need them. -Good sealing effect, airtight and leakproof, and can make your vacuum bottle work more effectively.
