bike phone bag bicycle phone bag bag top tube bike bag bicycle phone bag bike bags for bicycles bicycle phone bag WATERPROOF MATERIAL: This bike phone bag is made of waterproof material, designed with dual waterproof zipper keep your items dry when you meet rainy days or extreme environments How to install the phone bag for bike Bike phone front frame bag size 9.25*3.85*6.02 inch wild man bike frame bag 1. wild man bike frame bag bicycle phone bag HARD SHELL SURFACE: Designed with special EVA hard shell material, wearable,durable and drop resistance, protect your items well when getting external shocks.