1. PRODUCT DETAILS Our silicone boots for Stanley cups have a diameter of 2.83 inches and a height of 1.7 inches, designed to fit drinking glasses or water bottles with a base diameter between 7.1 and 7.5 cm. We recommend measuring your bottle’s base diameter before purchasing to ensure a proper fit. 2. COMPATIBILITY These protective silicone boots are specifically designed for Stanley Quencher (30 oz) and Stanley IceFlow (20 oz) tumblers. They also fit a variety of other brands, including: - Hydro Flask Wide Mouth (12/16/18/20/24 oz) - Hydro Flask Standard Mouth (16 oz) - Yeti Rambler Tumblers (20/30 oz) - Simple Modern Tumblers (20/28/40 oz) - Vmini Wide Mouth (12/18/24 oz) and more. 3. HIGH-QUALITY MATERIAL Crafted from food-grade silicone, our silicone sleeves are soft, flexible, BPA-free, odorless, and designed for durability. They are dishwasher safe for easy cleaning, making them a practical addition to your beverage accessories. 4. EASY TO USE Our silicone sleeve boasts the right amount of elasticity for simple installation and removal. Prior to use, wipe the bottom of your water bottle with a damp cloth and allow it to dry, then gently slide the sleeve onto the bottom. This sleeve effectively protects your water bottles, enhances grip, and prolongs their lifespan. 5. USE SCENARIOS - Enhance grip and protect your favorite Stanley or Hydro Flask while using it at home or the gym. - Keep your tumbler safe during your outdoor adventures or while traveling. - Ideal for everyday use to maintain the pristine condition of your beverage containers. This silicone boot is an essential accessory for anyone looking to extend the life of their favorite tumblers while ensuring compatibility and ease of use.