Strauss Bicycle Frame Bag, (Black) and Cycle/Bicycle/Helmet Multi Purpose Number Lock, (Black) Touch screen: Tpu material, very sensitive to use the touch screen Waterproof: Both sides of the pockets with waterproof pu fabric, and the zipper is also waterproof design, there is no problem cycling in rain, but not recommended in a heavy rain for a long time Extra Protection and Security : In Any Case the Number of Lock would not be Changed or Reset, This Will provide you an Extra Protection and Security Flexible high strength steel cables for cut and abrasion resistance nature. Outer PVC coating to prevent scratching on. 4-digit combination locking mechanisms for keyless convenience. Ideal for use with Motorcycle, Bike, Bicycles, Helmets, and Luggage for keyless locking.