Introducing the Squatch tumbler base for Yeti Ramblers and Hydro Flash All Arounds. This innovative Flexible rubber like plastic not only protects your cub but acts as a stabilizer to prevent tip over and spills! The stability the Squatch will give your tumbler will blow your mind! Place your tumbler on the seat on the floor and have no worries! Take mass transit to work then this is for you! We tested this product on some of the worst roads and rails in Philadelphia to ensure it stays upright and endures the worst of the worst. This product is proudly made in America and Warrantied for Life!!!