1. The large capacity design of 11 x 10.2 inches(Diameter x Height), can easily accommodate a 500ml insulated cup. 2. There are two front zipper pockets for cell phones and small items. There is an adjustable and detachable shoulder strap. One shoulder crossbody design makes it convenient for you to carry it to school, library, study room, travel, vacation, and sports. 3. Made of polyester fabric. While protecting the surface of your water cup from scratches and squeezing, it can also avoid scalding your hands. 4. This water cup cover has a variety of patterns and colors to choose from, making it ideal for giving to family and friends at graduation, homecoming season, festivals, or birthday ceremonies.