- Pack of 2 OEM Replacement Gaskets: High-quality gaskets designed for 30 oz stainless steel vacuum tumbler mugs, ensuring compatibility with popular brands. - Universal Fit: These gaskets are compatible with 30 oz ramblers from YETI, Ozark Trail, Rocky Mountain, Polar Drifter, SIC, and many others. They fit any cup with a similar lid style as depicted in the photos. - Leak-Proof Design: Made from flexible black rubber, these seals create a strong, leak-proof seal between the lid and cup, restoring your lid to like-new condition. - Easy Installation: No tools required for replacement. Simply roll off the old gasket and slide on the new one for quick and hassle-free maintenance. Use Scenarios: - Outdoor Adventures: Keep your beverages secure during hiking or camping trips by ensuring your tumbler remains leak-proof with these gaskets. - Daily Commute: Maintain the function of your favorite travel mug, preventing spills in your bag during your daily rush. - Hot & Cold Beverages: Enjoy your drinks at the right temperature without worrying about leaks, whether you're having hot coffee or cold water. Invest in this essential accessory to enhance your tumbler's performance and longevity while enjoying a hassle-free experience.