Specification: Main Material: Silicone Color: Retro Green Size: About 8.1cm (3.19in)*8.1cm (3.19in)*5cm (1.97in) Net Weight: 50g Inner Diameter: 7.5cm Compatible Models: 40oz Note: Due to different monitor settings and lighting,conditions the actual color of item may vary slightly from pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due manual measuring. 1*Mermaid Silicone Boot 1. Shock-Absorbent Protection:;The glitter silicone boot offers a protective layer that effectively absorbs impacts and vibrations, safeguarding your thermal flasks or water bottles from damage during outdoor activities or daily use. 2. Ventilated for Convenience:;Designed with air-release vents, our silicone boot allows for effortless application or removal, eliminating the need for strenuous effort or additional tools, while preventing air pressure build-up. 3. Silicone Material:;Crafted from high-quality silicone, this bling silicone boot is resistant to wear and tear, protecting against scratches and prolonging the life and appearance of your beverage containers. 4. Enhanced Grip Silicone: Our water bottle sleeve is crafted from premium silicone, providing excellent slip-resistant properties to ensure a firm grip and prevent accidental drops. 5. Easy to Clean:;This water bottle boot sleeve is simple to maintain. A quick wipe with water or detergent removes dirt, keeping the sleeve hygienic and clean for your peace of mind.