Still looking for some multi-function and flexible silicone water bottle sleeves? Want to have some trustworthy and durable heat insulation glass cup silicone covers? If your answer is yes, then our product will be a wise choice. This bottle boot is some non-skid and heat-insulated, made by silicone. Features -Color:Black -Material:Silicone -Size:7.50X7.50X4.50cm/2.95X2.95X1.77in - This silicone boot for water bottle is suitable for various bottles, such as, stainless steel. - This bottom silicone sleeve cover can effectively protect the from , scratch and noise. - Silicone boot for water bottle is not only very durable 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 your water bottle more attractive. Package list: 2 x bottle boot