TPU Touch Screen & Hidden Earphone Hole With high sensitive TPU film window on the bike phone front frame bag, you can easy to play your cellphone or see your activity while using maps on a ride. The hidden earphone hole allows you answer the phone or enjoy music freely while cycling (Note: Touch ID NOT worked through the screen cover)Waterproof Material & Dual Zippers The mountain bike bag is made of PU & PVC material, waterproof polyester double thick inner pads, provide well shackproof for your phone when riding on rough road, and seamless waterproof double zippers design can perfectly protect your phone in rainy days and extreme environments.Big Space Bike frame bag has enough inside room for long rides, holds a lot of stuff like cellphone, charger, power bank, bicycle repair tools, small tire pump. Perfect compatible with cellphones below 6.0 inches, iPhone X XS XR 8 7 6s 6 plus 5s / Samsung Galaxy s8 s7 note 7.Sun Visor & Reflective Tap A sun visor on the top helps you watch phone screen clearly. Reflective tape on both sides of our bike storage bag provide a warning effect for night riding to avoid accident.Easy to Install 3 thicken straps can be freely inserted into the groove of the storage bag, which means the mountain bike bag can be easily installed and fits most types of bicycles, makes it firmer on the handlebar. (3velcro straps: 1 velcro commuter strap on the front + 2 vercro commuter straps on the lower bottom)