Description Are you looking for a practical, yet durable bottle protective sleeve? Are you in search of a simple yet practical way to protect you water cup bottom? If yes, look no further! Our bottle sleeve must meet your needs. Fine workmanship, very beautiful. This cover is one of the best choices for you. Features -Color:Black -Material:Silicone -Size:7.10X4.00X4.00cm/2.79X1.57X1.57in - Made of soft safe silicone material, more flexible and durable, reusable, give you more convenience. - This elastic sleeve is not only nonslip, also effectively protecting the bottom from dents and scratches. - Suitable for any outdoor activity use daily with your accompanying cup or sports water bottle safe and very convenient. - Made of silicone, no odor and healthy material, safe to use thiswater bottle boot, simple and very easy to install. - No fading when exposed to water, heat insulated and wear resistant cup cover, it has good antislip effect, easy to grasp, and ergonomic. Packing list2 x bottle boot