Features 1. **Superior Insulation**: Our insulated beverage cup sleeve features a unique double-layer design with fabric and aluminum film, ensuring your drinks stay cold for hours, perfect for hot summer days. 2. **Easy to Use**: Simply slip your drink into the sleeve and zip it up for instant cooling. No complicated setup required, making it ideal for on-the-go hydration. 3. **Portable Design**: Lightweight and compact, this water bottle bag is easy to carry in your backpack or purse, making it perfect for picnics, beach trips, or daily commutes. 4. **Creative Shape**: Stand out with our stylish and innovative cup sleeve design that not only keeps your drink cool but also adds a fun touch to your beverage experience. 5. **Versatile Fit**: Designed to accommodate various cup sizes, our insulated sleeve is perfect for cans, bottles, and cups, making it a versatile accessory for all your favorite drinks. Our beverage insulated cup covers are carefully made of fabric and aluminum film. Designed specifically to keep your drink cool. The usage method is extremely convenient: Just put the cup sleeve over the drink and zip it up. And it has a creative shape.