Large SpaceThe bike bag has enough interior space for long rides, can hold a lot of things, such as iphone X, battery, energy gel, small tyre pump, repair kit, keys, wallet, etc. Perfectly compatible with phones up to 6.5 inches, iPhone XR XS MAX X 8 7 6s 6 plus 5s / Samsung Galaxy s8 s7 note 7, shockproof bike front rack bag High sensitivity touch screenThe bike phone bag has a high sensitivity TPU film window to help you use your phone easily while riding, a great way to see your activity while using the map on the ride. Humanized DesignThe bike phone holder bag has a lot of humanized design.A, Hidden headphone hole allows you to take calls or enjoy music freely while riding.B, Reflective straps on both sides of the bike bag for safe night riding.C, Double soft rubber zip pulls make it easy to open and close Waterproof material and double zippers The top tube bike bag is made of waterproof polyester material and seamless waterproof double zip design, which can protect your phone perfectly in rainy days and extreme conditions. Universal fitThe 3 velcro straps can be inserted freely into the grooves of the organizer, which means the bike bag can be easily installed and fits most types of bikes (3 velcro straps. 1 velcro commuter strap on the front + 2 velcro commuter straps on the bottom)