- Wide Compatibility: This replacement lid fits perfectly on 20 oz tumblers with an inner diameter of 3.15 inches and an outer diameter of 3.38 inches. It is compatible with popular brands like YETI Rambler, Ozark Trail, and most coffee tumblers, ensuring you have a versatile accessory for your drinkware. - Safe Materials: Crafted from thick, solid clear material, our 20 oz replacement lid is BPA-free and shatter-resistant. You can enjoy your beverages without worrying about harmful chemicals or breakage. - Stronger Magnetic Force: Each spill-proof tumbler cover features an upgraded magnetic slider designed for YETI tumblers. You can travel, drive, or enjoy outdoor activities without the fear of losing the slider or spilling your drink. - Effective Sealing: The magnetic slider, along with the black silicone O-rings, fits snugly on your cup. This design prevents liquid spills and maintains your beverages at the desired temperature, whether hot or cold, for an extended period. Use Scenarios: - On-the-Go: Ideal for daily commutes, this lid ensures your coffee stays secure and spill-free in your car cup holder. - Outdoor Adventures: Perfect for camping or hiking trips, it keeps your drinks safe from spills while you navigate rugged terrain. - Office Use: Use it in the workplace to prevent accidental spills during meetings or while working at your desk. Choose this replacement lid to enhance the functionality of your favorite tumblers, ensuring safe and convenient drinking experiences wherever you go.