Compatibility: Our protective silicone boot is designed to fit with the Yeti Rambler Jr 12 oz bottle only. Our silicone sleeve fits perfectly and will not fall off with daily use. For all other brands, please measure first! Protection: This silicone bumper sleeve is specifically designed to cover the bottom of your Yeti Rambler Jr 12 oz bottle, providing protection against scuffs, scratches, dents, dirt, and more. It snugly fits and is a great accessory for your bottle. Material: Our silicone boot is made with Non-Toxic, BPA-Free silicone rubber, which is soft, flexible, food-grade, durable, odorless, and reusable. It is designed for daily use and is also dishwasher safe. Easy to Clean! Benefits: Apart from providing protection, this silicone boot also helps reduce the sound of placing your Yeti Rambler Jr bottle on a table. It is available in three stylish colors: Black, White, and Clear. Easy to Install: To install the silicone boot on your Yeti Rambler Jr bottle, clean the bottom of the bottle and press the sleeve cover evenly onto it until all the air is squeezed out. The installation process is quick and hassle-free. jr. yeti rambler 10 oz low-ball boot boot12 18oz 18 booot mini kid kids covers junior ounce 3in 3 inch straw cover bumper grip