【Protection boot】Say goodbye to the fear of damaging your cherished water bottles. Our checkered silicone tumbler boot provides defense against dents and damage. Upgrade your stanley cup in style with this protective sleeve! 【Perfect Compatiblity】Our water bottle boots snugly fit bases with a diameter of 2.8-3 inches. Ideal for 30oz&40oz stanley tumblers. To ensure a proper fit, please measure the diameter of your tumbler's base before purchasing. 【Premium Material】The 2.5-inch diameter stanley cup charm is made of silicone and sturdy cable wire. The black & white checkered water bottle boots are made of silicone and can protect the bottom from scratching, scuffing, denting, and loud noises. 【Great Gift Ideas】The black & white checkered cup charm is an elegant accessory to add some personality to your favorite water bottle! Also makes great gifts for family members, granddaughters, friends, girlfriends, women, etc. on various occasions such as Christmas, Thanksgiving, New Year, Mother's Day, and other festivals. 【Elegant Essentials】This stanley cup accessories bundle includes a black&white beaded charm and a checkered silicone boot. Make your stainless steel bottle stand out wherever you go! Detailed Specifications: Tumbler Boot: Material: Premium silicone Size: 3" diameter, 1.7" height Compatibility: Perfect for Stanley 30oz and 40oz tumblers Installation: Before installation, please clean the bottom of the bottle with a wet cloth and let it dry. Then slowly put the bottom sleeve cover on. Design: Black&white checkered print as shown Tumbler Charms: Material: Premium silicone, sturdy cable wire Size: Approx. 2.5" diameter Installation: Spin to open