- Large Capacity and Smart Design: Measuring 40 x 6 x 12.5 cm with an approximate 4-liter capacity, this bike bag offers ample space for essentials. Store your tools, such as keys, mini pump, spare tire, water bottle, wallet, phone, and glasses effortlessly. - Waterproof Protection: Crafted from high-quality nylon with a TPU inner lining and seamless construction, this bag ensures your bicycle accessories stay dry in light rain. The unique waterproof zippers on both sides provide added assurance that your belongings remain protected. - Secure and Comfortable: Featuring adjustable Velcro fasteners, you can easily attach the bag between the top and seat tube of your bicycle for a secure fit. The double-sided pocket design enhances convenience, allowing you to access items while riding. - User-Friendly Features: With a slim width of only 6 mm, this bag minimizes leg rub while cycling. The double-sided reflective logo enhances visibility for safer nighttime rides. Practical Use Scenarios: - Perfect for daily commuters looking to carry tools and personal items securely while on the road. - Ideal for weekend cyclists needing to transport hydration and accessories for longer rides. - A great choice for anyone who enjoys biking in varying weather conditions and values durable, reliable storage solutions. This bicycle bag combines functionality, protection, and convenience for all your cycling needs.