Description This is a practical bottle boot cover for indoors or outdoors use. Made of classy silicone material, a useful accessory for bottle. Easy to carry, reusable, washable and foldable. Our tumbler sleeves can withstand stretching, folding. Can effectively protect the bottom of the bottle from dents, scratches, anti-skid and noise. Features -Color:Assorted Color -Material:Silicone -Size:7.50X7.50X4.00cm/2.95X2.95X1.57in -Note: Suitable for any types of bottle which owns 30/40OZ capacity. - This silicone boot for water bottle is suitable for various bottles, such as, stainless steel bottle, glass flask etc. - This bottom silicone sleeve cover can effectively protect the bottom of the bottle from depression, scratch and noise. - Silicone boot for water bottle is not only very lasting but also easy to clean, not easy to deform. - This water bottle bottom sleeve will make no more embarrassed, give a quiet working environment. - Simple color design, decorative and practical, silicone boot can make your water bottle more attractive. This silicone boot for water bottle is suitable for various bottles, such as, stainless steel bottle, glass flask etc. This bottom silicone sleeve cover can effectively protect the bottom of the bottle from depression, scratch and noise. Silicone boot for water bottle is not only very lasting but also easy to clean, not easy to deform. This water bottle bottom sleeve will make no more embarrassed, give a quiet working environment. Simple color design, decorative and practical, silicone boot can make your water bottle more attractive.