Package Content: You will receive 24 water bottle gaskets in 4 types, 1 tweezers and 1 small brush. Making your water bottles maintain optimal state by using these important product. To replace old gaskets that may accumulate dirt and debris and improve the cleanliness of drinking water. We suggest that you should replace your water bottle seal ring every 4-6 months to protect your drinking water. Leakproof Product: Whether you are exercising, commuting or traveling, water bottle won't leak if water bottle use our water bottle lid replacement. A tight seal is important to keep water hot or cold. Please replace worn gaskets on water bottle caps promptly. Please note that our product isn't sponsored or endorsed by the brand it fits, including Thermoflask. Safe Material: These water bottle seal rings are made of silicone, which are reliable and long-lasting, BPA free, and heat resistant up to -40-446 degrees Fahrenheit/-40-230 degrees Celsius. They are very safe and healthy accessories. You can use them with confidence. Easy to Use: Please clean this water bottle lid replacement for Thermoflask before using. You just need to use the attached tweezers to gently pull your old water bottle gasket out, then clean dirt by using the attached brush. Inserting the convex surface of the new water bottle gasket into the cover, while inserting the flat surface downwards into the nozzle. You can use again. Compatible Feature: Our water bottle gasket replacement is compatible with Thermoflask 24/32/40/64oz water bottles. It can be used for water bottles with straw caps and water bottles with spout caps. It's no need to buy a new water bottle. You just need to replace your old water bottle seal ring, then you can use. › See more product details