Our tumbler boot is specifically designed to hold 40 ounce non tumbler cups, it will greatly extend the life of your non tumbler cups, providing the ultimate in protection and style. For those of you who own a tumbler cup, you know how easily the bottom can get scratched and setting it down can be louder than expected. Silicone tumbler boots helps reduce noise and prevent scratches or clinking on the surface. Made of silicone, this tumbler boot is soft, BPA free, food grade, odorless, reusable, durable and safe for everyday use with your cup. With unique striped design, it is not only looks stylish, but also feels comfortable and non-slip. You are not afraid of sweaty hands after exercise. This tumbler boot is durable, easy to put on and take off, dishwasher safe. You don't need to worry about cleaning, it's safe to use the cup every day. Item Name: Silicone Cup Boot Material: Silicone Style: Modern And Simple Features: Anti-slip, Noise Reducing, Scratch Resistant Size Details: Bottom Diameter: 8cm/3.15" (Approx.) Caliber: 10.5cm/4.13" (Approx.) Height: 12.5cm/4.92" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Silicone Cup Boot