Please kindly noted that this item is sold by COOLL from Joybuy marketplace. Description: Its small size and light weight design make it easy to carry, and the bottle bottom cover is thick and flexible so it is heat resistant and durable. With great protection, it prevents your bottle from dents, scratches, bumps and damage. It is constructed of silicone material. There are two sizes for your choice: 7.5cm and 9cm. It is suitable for 32oz-40oz. Item Name: Bottle Cover Material: Silicone Features: Thickened, Heat Resistant, Solid Color, Flexible Size Details: 7.5cm, Diameter: 7.5cm per 2.95(Approx.) 7.5cm, Height: 4.5cm per 1.77(Approx.) 9cm, Diameter: 9cm per 3.54(Approx.) 9cm, Height: 4.5cm per 1.77(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bottle Cover It is suitable for 32oz-40oz. Its small size and light weight design make it easy to carry, and the bottle bottom cover is thick and flexible so it is heat resistant and durable. Because of its small size and light weight, it is convenient for you to carry, and the bottle bottom cover comes with thick and flexible silicone so it is heat resistant and durable. It is not only small in size and light in weight, making it easy to carry, but the bottle bottom cover is designed with thick and flexible silicone so it is heat resistant and durable. In addition to its small size and light weight, it is easy to carry, and the headset box is designed with thick and flexible silicone so it is heat resistant and durable.