- Wide Compatibility: This 20 oz replacement lid set (2PCS) is specifically designed for the YETI 10 oz Lowball, 10/24 oz Mug, 20 oz Tumbler, and 25 oz Straw Mug. Please note that it is not suitable for Rambler bottles or jugs, or travel mugs with a stronghold lid. - BPA-Free Material: Crafted from crystal clear AS plastic, these lids are BPA-free, ensuring safe consumption while allowing you to easily check your drink levels. - Thermal Retention: The anti-overflow design, combined with a magnetic slider and a black silicone O-ring, creates a tight seal that effectively prevents leaks. This lid helps maintain the temperature of your beverages for extended periods, keeping them warm or cold as desired. - Magnetic Design: Each lid features two magnetic sliders for secure installation, reducing the risk of losing sliders or experiencing spills while on the go. The thoughtfully designed drinking hole allows for easy sipping or the use of a straw. - Practical Use Scenarios: 1. Perfect for outdoor adventures like camping or hiking, ensuring your drinks stay at the right temperature without spills. 2. Ideal for daily commutes or road trips, allowing you to enjoy your favorite beverages without the worry of leakage. 3. Great for picnics or beach days, providing a reliable solution for keeping drinks secure and easy to access. This 20 oz Tumbler Lid replacement set combines functionality and convenience, making it a must-have for YETI drinkware users.