1. Compatibility: Ergonomically Improved Drain plug, fits Yeti, Roadie, Tundra Coolers, TANK Ice Buckets and RTIC coolers. It improves the ability to open your cooler drain in various cold, wet or slippery conditions. 2. Very Convenient Design: Improved finger knob design allows for easier finger leverage to open and close the drain. So you only need to partially open the drain plug to drain without having to fully remove the plug. 3. Durable Construction: The Leak-Proof, Rugged Drain Plugs allow your cooler to drain while only partially open. An Ergonomically Improved Twist Drain Plug compatible with Yeti Line of Roadie, Tundra, and TANK Coolers. 4. Easy Use: When the drain plug is in a partially opened state, the drain plug drains the cooling water. Tightening the leak-proof drain plug helps prevent the cooling water from being lost from the cooler.