Roomy, durable bike frame bag that keeps your essentials secure, accessible, and visible on every ride. Key benefits Large internal capacity: Holds a small tire pump, energy gels, phone, kit, keys, small wallet, sunglasses, rain cover, and other essentials so you can ride longer without extra bags. Clear, usable phone access: TPU touchscreen window plus a sun visor let you see and operate your phone reliably—even in bright sunlight—so navigation and ride apps remain usable while you ride. Reliable weather protection: Waterproof polyester, a seamless waterproof zipper, and a hard frame keep contents dry, dust, and protected in rain or harsh conditions. Stable, protective structure: Hard frame design prevents deformation, resists shaking, and keeps tools and fragile items secure during bumpy terrain. Improved visibility: Large reflective edge along the side increases nighttime visibility for safer rides. Features and materials Construction: Waterproof polyester exterior with a hard internal frame for shape retention and impact resistance. Closure: Seamless waterproof zipper to keep water and dust out. Phone interface: Transparent TPU touch screen window with a sun visor that reduces glare and enables sensitive touch operation. Safety detail: Streamlined, large reflective trim on the side for added visibility after dark. Practical use scenarios Longdistance rides or bikepacking: Carry pump, kit, gels, sunglasses, wallet, and phone in one organized, stable compartment so you can focus on the miles. Commuting in mixed weather: Protect phone, keys, and wallet from rain and dust while keeping navigation visible and usable without stopping. Night or lowlight rides: Use the reflective edge for extra visibility and the phone window for navigation or ride tracking. Why this bag solves common problems Eliminates the need to stop and dig through backpacks or pockets by keeping frequently used items within easy reach. Protects electronics and valuables from water, dust, and impact without sacrificing phone usability. Maintains shape and stability under load so gear stays secure on rough roads. Compatible use Designed to mount on the bike frame as a frame bag; provides secure storage and easy access during rides. Materials and performance summary Waterproof polyester exterior Hard internal frame (prevents deformation, shakeproof) Seamless waterproof zipper (rain and dust protection) TPU touchscreen window with sun visor Large reflective edge for night visibility A practical, weatherproof frame bag that keeps your gear organized, accessible, and protected while improving phone visibility and rider safety.