High-Quality Material - Our silicone cup bottom protector is made of high-quality silicone material, which is safe, durable, elastic and non-deformable. These soft silicone boots are easy to clean and reusable, reducing environmental pollution. STANLEY Cup Accessories - Silicone cover designed for 40 oz. HIGH QUALITY PROTECTION - Protect your 40 Oz from scratches, bumps and slips with our high-soled protective booties. Thick and soft silicone cup boot covers can reduce metal-to-metal noise, so you don't have to worry about your hands getting sweaty after exercise. EASY TO USE AND CLEAN - Easily insert the cup base cover into the stanley cup with handle to complete installation. The silicone material is easy to clean, and ordinary dirt can be cleaned by just wiping it. Stylish and functional - these boot covers feature a unique pattern and simple style, making them perfect for outdoor activities. Straw hats not only look cute but are also practical. It can effectively prevent dust and other foreign matter from entering. A perfect gift for family and friends, especially yourself. Package Includes 1 Silicone Cup Sole Boot