Description: - Premium anti silicone bottom sleeve cover prevents your bottle from unexpected scratches, dents, bums, dings during outdoor adventure - Works for most 32-40oz bottles water bottle with about 9cm/3.5 inch diameter bottom - grade silicone , , no - Easy to clean; Snug and secure fit - Can be used as a water bowl for your pets while going outSpecification: - Material: Silicone - Outer Diameter: 92mm/ 3.6 inch - Height: 45mm/ 1.77 inch - Fits for 32-40 bottles - Color: Black, , Gray, Blue, Orange, Red (Optional)Package Includes:1 water Bottle Bottom BootNote:Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!