Product Details: This chameleon gradient silicone boot are 2.85 inches in diameter and 1.7 inches high. Suitable for water bottles with a base diameter of 2.8-2.3 inches, which can meet most 12-24oz water bottles on the market. If you are unsure, please measure the size of the bottom of your bottle before purchasing.Fits Perfectly: Our protective boot are specifically compatible with Stanley Quencher(30/40oz) H2.0 and Stanley lceFlow (20/30 oz) Tumblers. Also compatible with Hydro Flask Tumbler(30/40oz), Hydro Flask Wide Mouth (12/16/18/20/24 oz), Hydro Flask Standard Mouth (18/21/24 oz), Simple Modern Tumbler (20/24/28/40 oz), Simple Modern Summit (14/18/22 oz) and Ascent (12/17/20 oz), Vmini Wide Mouth(12/18/24 oz), Vmini Standard Mouth(12/18/22 oz), The Coldest Water(36/46 oz) Tumbler, KISSKIND 40 oz Tumbler; TLINNA 40 oz Tumbler; Crave Cups 40 oz Tumbler; COKTIK 40 oz Tumbler; BELYQLY 40 oz Tumbler and other water bottles. Silicone boot for Stanley cup accessories, Tumbler accessories.Premium Quality: This water bottle boot is made of high-quality silicone, which is more flexible and does not deform. It is BPA-free and safe for children to use. Easy to use, easy to clean and reusable. Add a luxurious aesthetic to your water bottle with the colorful matte metallic gradient cup sleeve. This bottom sleeve not only protect your water bottle from noise, dents, and damage, but they also has a comfortable grip, creating a stylish look for your favorite water bottle.Satisfactory Gifts: You can give it as a gift to yourself, family, friends or as a spare. Suitable for both adults and children, it is the perfect water bottle accessories for Stanley cup. It's also a great silicone boot for Christmas gifts, Thanksgiving gifts, birthday gifts and other holiday gifts! If there are any quality problems we will try our best to give you a satisfactory solution.