Features: BIG SPACE AMAZING COMPATIBILITY-Bike bag has enough inside room for long rides, holds a lot of stuff like cellphone, charger, power banks, USB cable, bicycle repair tools, small tire pumps. SENSITIVE TOUCHING SCREEN HIDDING 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 hidding earphone hole allows you answer the phone or enjoy music freely while cycling Note: Touching ID NOT worked through the screen cover WATERPROOF MATERIAL DUAL ZIPPERS-The top tube bike bag is made of waterproof polyester, seamless waterproof double zippers design can perfectly protect your phone in rainy days and bad environments SUN VISOR REFLECTIVE TAP-A sun visor on the top helps you watch phone screen clearly, which is great for sunny days. Reflective tape on both sides of our bike bag keeps your night ride safety effectively EASY TO INSTALL QUICK RELEASE-The Velcros straps on the back and bottom can be adjusted as you need, so it can grasp tightly on the bicycle frames and fit most types of bikes.phone bicycle mount bag,bike bags top tube. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description:size: S: 17x8x8cm, mobile phone space size: 14x7, suitable for 3.5-4.8 inch mobile phones L: 19x10x8cm, mobile phone space size: 16x8cm, suitable for 4.8-6.5 inch mobile phones Material:Nylon Package List: 1xPhone Bag