1.Product Details: Our silicone boots are 2.85 inches in diameter and 1.7 inches high. Suitable for tumblers or water bottles with a base diameter of 2.8 - 2.95 inches. If you are not sure whether it is suitable, please measure the diameter of the bottom of your bottle before purchasing 2.Fits Perfectly: Our protective boots are specifically designed for Stanley Quencher(30/40oz) H2.0 and Stanley IceFlow (20/30 oz) Tumbler. Also fits HydroJug Traveler 40 oz, Owala Tumbler 40 oz, Hydro Flask Wide Mouth (12/16/18/20/24 oz), Hydro Flask Standard Mouth (18/21/24 oz), Yeti Rambler Tumbler(20/30 oz), Simple Modern Tumbler (20/24/28/40 oz), Simple Modern Summit (14/18/22 oz) and Ascent (12/17/20 oz), Wide Mouth(12/18/24 oz), Standard Mouth(12/18/22 oz) and others 3.Bling-bling: Compared to ordinary boots, glitter boots not only protect your water bottle from noise, dents, and damage, but they also make your water bottle appear shiny, creating a sparkling look for your favorite water bottle 4.Premium Material: This water bottle boot is made of high-quality silicone, which is more flexible and won't deform. BPA- and for children. Easy to use, easy to clean and reusable