Description The product is made of neoprene, which not only feels comfortable, but also keeps your hands warm and dry. They are lightweight, foldable and easy to store. for your car, office, meeting room, home, and on your way to the office or school. Features - Color: As shown. - Material: Neoprene. - Size: About 12.5x10x0.3cm / 4.92x3.93x0.11inch. - The sleeves are made of neoprene. Neoprene is a good insulation material and has a longer service life, keeping your beverage ice cold. - Our beverage bottle covers can be extended to fit various bottles, such as vacuum cups and beer cans. - Coffee sleeves can keep your drinks cool or hot, and keep your hands dry. - Reusable and environmentally friendly, it replaces the traditional disposable paper sleeve and helps protect the environment. - Great for your car, office, meeting room, home, and the way to the office or school. The sleeves are made of neoprene. Neoprene is a good insulation material and has a longer service life, keeping your beverage ice cold. Our beverage bottle covers can be extended to fit various bottles, such as vacuum cups and beer cans. Coffee sleeves can keep your drinks cool or hot, and keep your hands dry. Reusable and environmentally friendly, it replaces the traditional disposable paper sleeve and helps protect the environment. Great for your car, office, meeting room, home, and the way to the office or school.