Check the listing for details. Silicone Water Bottle Boot [2PCS] - Anti-Slip Protective Sleeve [Black]. Condition: New. Listed at 16.33 USD. PRODUCT INTRODUCTION:1. Features & Applications:Good DurabilityThis silicone water bottle protector is made of good quality and elastic silicone, ensuring It is flexible, odorless, reusable and durable.Extensive PracticalityThis silicone water bottle boot can effectively protect the bottom of the bottle, preventing dents, scratches, slipping, and noise.2. Specification:Pack: 2-piece black anti-slip protective sleeveSize: 7.5 x 7.5 x 4.5 cm / 2.95 x 2.95 x 1.77 inch (L x W x H)Advantage: It is suitable for all age groups and can be safely washed in a dishwasher. And it won't be as sticky as a silicone cup lid either3. Use and Warm Tips:2-Step Setup:First of all, please wipe the bottom of the cup with a damp cloth and let it dryThen, slowly cover the bottle with the bottom sleeve and squeeze out the air.