【Key Features】 ★【Maximum Protection】- Durable silicone bumper boot protects your bottle against unexpected scratches, dents, or dings during outdoor adventures, extending the life of your bottle. ★【High-Quality Silicone】- Premium silicone rubber, BPA-Free. It is not only a bottle protect boot but also be used as a Pet Bowl. ★【Powerful Protector】- Strong durable sleeve prevents your bottle from bumps, scratches, and dings. It helps to avoid your bottle being knocked down accidentally. ★【Customize Your Bottle 】- That bottom boot has various color schemes on its bottles. Mix and match to make your bottle fit you. 【Specification】 【Product Name】: Silicone Bumper Boot 【Color(Optional)】: Transparent white, Gray 【Material】: Silicone 【Size】: Diameter 90mm, Height 45mm 【Parts List】 1 x Silicone Bumper Boot [Provide Protection] This silicone bumper boot can not only protect your mug from wear, bumps, scratches, but also effectively prevent the mug from making annoying noises on the table. It is practical and reliable, and is an ideal mug accessory. [Compatible With] This silicone bumper boot is compatible with Stanley Quencher Adventure 40oz Tumbler with Handle and Stanley Ice Flow 30oz, the size is made precisely, it fits the bottom of the cup perfectly, it will not fall off easily, and it is safe to use. [High-quality Material] This bumper boot is made of high-quality food-grade silicone, which is safe, non-toxic and harmless, durable, soft, and can be used for a long time without deformation. [Convenient to Use] This bumper boot is elastic, easy to install and take off, it will not stick when you take it off, saving time and effort, dishwasher safe for easy cleaning. [Practical & Ideal Gift] This bumper boot can be applied in home, office, school, gym, etc., to meet your daily needs. It is an ideal gift for relatives and friends on birthdays, Christmas, Thanksgiving and other festivals.