Superior Insulation with Double-Layer Foil: The water bottle bag is equipped with a double-layer foil insulation lining, designed to keep your drinks at the desired temperature for longer Convenient Zipper Compartment: This bike water bottle bag features an additional zippered pocket, providing extra storage space for small items like your phone, keys, or wallet Waterproof and Stain-Resistant Fabric: Made with durable, waterproof, and stain-resistant fabric, this bag can easily handle the elements, making it perfect for daily use or outdoor adventures Versatile Carrying Options: Comes with a convenient shoulder strap, allowing you to carry it in various ways when off the bike. Use it as a bike accessory or take it with you as a shoulder bag when walking or hiking Secure and Practical Design: Designed to fit securely on your bike, this water bottle bag is an ideal companion for cyclists who need to stay hydrated and organized during rides Specifications: Material: Polyester Size: 16x9x9cm Capacity: 1.3L+ Weight: 118±5G