- Upgrade Your Ride with Water-Resistant Design: Our bike frame bags feature full water-resistant fabric crafted from ultralight carbon fiber. High-frequency seamless welding technology on the zippers ensures rainwater stays out, keeping your essentials dry during wet rides. - Ample Storage Capacity: The spacious 1.5L bike storage bag accommodates your phone, small tire pump, mini binoculars, cycling glasses, repair tools, dust masks, keys, and wallets. Dimensions: Length - 10.63 inches, Width - 7.08 inches, Height - 2.25 inches. Perfect for long outdoor adventures. - Effortless Installation and Quick Release: Equipped with three adjustable Velcro straps, this bag securely attaches to your bike's frame and remains stable even on bumpy terrain. Compatible with most mountain and commuter bikes. Note: The triangular design fits bikes with a right-angle bracket. - Built to Last: Constructed with a durable outer layer of PU and polyester, a protective 5mm foam middle layer, and a soft polyester inner layer. This robust design shields your belongings from damage while ensuring longevity. Use Scenarios: 1. Ideal for weekend cycling trips, allowing you to carry essential tools and personal items without bulk. 2. Perfect for daily commutes, providing quick access to your phone and wallet while keeping them secure and protected from the elements. 3. Great for outdoor adventures like hiking or camping, where you need to transport binoculars and other small gear conveniently on your bike.