Upgrade Travel Mug experiences with 7piece Silicone Seal Rings Set, ensuring a leak proof seal and extended for favorite travel. from food grade silicone, these dishwasher safe to perfectly fit the Travel Mug 0.36L and 0.5L models, maintaining the temperature of your beverages. for commuters, and anyone, our seal Rings set is accessory for Travel Mug owners looking to preserve their drink's freshness. Whether road trip, heading to office, or enjoyings the great outdoor, these replacement seal keep coffee secure and at temperature. Our seal rings leak contribute to a sustainable lifestyle by allowing you to travel mug instead of replacing it, making them for environmentally users.