1. Made from practical silicone material, the replacement seals for water bottles are very well matched to the original equipment. They are odorless and provide a leakproof and heatinsulating seal, long life. 2. Good sealing effect Designed to create a good seal between the lid and the cup, these replacement rubber seals keep your food clean and fresh. They are easy to use and prevent leakage, making them an indispensable tool in the kitchen. 3. Easy replacement Replacing the rubber ring is simple. Roll off the old seal with your fingers and slide the one on. Attaching and removing the replacement seals is quick and hassle. If the lid seal needs to be replaced, simply replace the entire lid to keep your food fresh. 4. Sufficient quantity With this purchase, you will receive 4 pieces of replacement rubber seals, which are enough for your daily use and backups. You can also share them with friends or family who have water bottles, making them a necessary kitchen accessory.