This thermal cup sleeve is easy to use and allows you to carry your water bottle outdoor more conveniently because it uses buckle design. Your water bottle can be well protected from fall, scratches and so on by this thickened thermal cup sleeve. It is constructed of diving cloth material. The diameter of this thermal cup sleeve is 7cm. The total height is 18cm. This thermal cup sleeve is suitable for outdoor and travel. Item Name: Vacuum Cup Sleeve Material: Diving Cloth Features: Buckle Design, Thickened, Strong And Sturdy Size Details: Diameter: 7cm/2.76"(Approx.) Height: 18cm/7.09"(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: Style A: 1 x Vacuum Cup Sleeve or Style B: 1 x Vacuum Cup Sleeve 1 x Shoulder Strap