Are you looking for a Protective Bottle Boot for your daily use? Are you still looking for a durable and practical silicone water bottle boot? Are you in search of a durable and trustworthy cup heat insulation silicone tumbler boot that can serve you very well? If you are, look no further. It will be your wise choice. You can use it with confidence. Features -Color:Grey -Material:Silicone -Size:9.00X9.00X4.50cm/3.54X3.54X1.77in -Note:Fits 32oz-40oz cups with 3.5-inch diameter. - Made of soft flexible silicone, this bottle silicone bottom boot is more flexible and durable, reusable. - 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. - The elastic sleeve is nonslip, provides better cushioning, which effectively protects the from dents and . - Silicone boot for water bottle is not only very durable but also easy to clean, not easy to deform. Package list: 2 x silicone water bottle cover