Keep your drinks secure and your surfaces clean with the HNYYZL 4-Pack 20oz Tumbler Lids Replacement. Crafted from food-grade, BPA-free AS plastic, these crystal-clear lids are safe for direct contact with beverages and simple to clean. Designed to fit cups with a 3.25-inch inner diameter, they are compatible with a wide range of popular tumblers and mugs, including the YETI Rambler, Beast, SUNWILL 20 oz tumblers, and 12 oz coffee mugs. Please note these lids are not compatible with 20 oz skinny tumblers. Each lid features a wide straw hole for effortless sipping, a built-in silicone seal ring to help maintain your drink's temperature, and anti-splash, anti-overflow protection to guard against spills when the cup is tipped. Before purchasing, be sure to measure your mug's inner diameter to confirm compatibility with the 3.25-inch fit. Whether at home, in the office, or on the go, these replacement lids are a practical and reliable upgrade for your favorite insulated travel mug. Pack of 4 included.