SYOSI 9Pcs Water Bottle Gasket Replacement for Thermoflask 40oz Insulated Stainless Steel Water Bottle Lid, Silicone Sealing Rings Gaskets for Water Bottle Straw Lid, Chug Lid & Chug Spout

Compatible with 2 Lid Designs: No need to buy a new bottle when you can simply replace the gasket. The gasket for Thermoflask lid replacement fits the 40 oz water bottle with straw lid and chug lid with spout top. Eliminate the hassle of ill-fitting generic gaskets. These are specially designed to match your preferred lid for water bottle use.

Prevent Leaks: Water bottle replacement gaskets work great to prevent leaks. The replacement gaskets keep your insulated water bottle in top condition. Let you have a waterproof bottle whether you are exercising, commuting or traveling.

Safe Material: These replacement sealing ring are made of high quality food grade silicone, durable and elastic, BPA free, heat resistant from -40℉ to +446℉ (-40℃ to +230 ℃), no matter you are filling it with cold or hot water, always kept sealed and insulated for a long time.

Easy to Use: The spout gasket with tabs for easy replacement for Thermoflask water bottles makes your accessory upkeep quick and simple. Remove the existing gasket by gently pulling it out. Insert the new gasket tab side up for lids and flat side down for spout. Replace every 4-6 months depending on frequency of use.

Value Pack of 3 Sets: Keep your favorite hiking water bottle properly maintained for the long term and always have a backup gasket on hand for your hydration needs. You will receive 9 water bottle replacement gaskets in 3 styles, 3 of each style, enough for your drinking needs.