Replacement Silicone Gaskets Compatible with THERMOS Stainless King Vacuum-Insulated Bottle, 40 Ounce, 4-Pack Food Grade Leak-Proof Seals

Price: $8.99
(as of Feb 01, 2026 05:59:24 UTC – Details)


Keep your favorite beverages properly sealed with these premium replacement gaskets designed designed to be compatible withTHERMOS Stainless King 40-ounce vacuum-insulated bottles. This 4-pack of food-grade silicone seals ensures your bottle maintains its leak-proof performance, preventing any unwanted spills or drips. The gaskets are precisely engineered to fit the bottle’s specifications, providing a reliable seal that keeps hot drinks hot and cold drinks cold. Easy to install and clean, these durable replacement parts help extend the life of your vacuum bottle. The silicone construction offers excellent temperature resistance and maintains its sealing properties over time. Perfect for anyone looking to restore their THERMOS bottle to like-new condition or keep spare gaskets on hand for future needs. Compatible with 40-ounce Stainless King models, these gaskets help maintain the bottle’s optimal performance.
COMPATIBILITY: Designed to be compatible with THERMOS Stainless King 40-ounce vacuum-insulated bottles, ensuring a perfect fit and seal
PACKAGE CONTENTS: Set includes 4 premium silicone replacement gaskets to maintain your bottle’s leak-proof performance
MATERIAL QUALITY: Made from food-grade silicone that’s durable, heat-resistant, and safe for daily use with hot and cold beverages
LEAK PREVENTION: Precisely engineered gaskets create an airtight seal to prevent spills and maintain temperature retention
EASY INSTALLATION: Simple to replace – just remove old gasket and insert new one into the bottle cap for restored functionality