Waterproof Material and Sealed Zipper --- Made of weather resistant material, the bike frame bag is super waterproof to keep you dry on the inside and easy to clean on the outside by wiping the surface. The zipper has a waterproof design with sealed seams, effectively prevent rainwater from entering the bag, well protect all your belongings, and keep them safe.Reflective Design --- This bicycle handlebar bag is designed with a large area reflective surface on both sides which is made of high visibility reflective material to increase visibility at night and keep your riding safer. You can also install a warning light (not included) in the handlebar bag. All these humanized functions are designed for you to drive without worry Large Capacity and Light Weight --- The bike bag pack provides a 0.8L capacity suitable for frequently used tools such as cell phone, battery, energy gel, mini tire pump, repair tool kits, keys, USB cable , accessories, etc.Strap Installation and Fits All Bikes --- With 3 adjustable hook and loop fasteners, the bike tube bag attaches more firmly to the frame and is designed for quick release and installation. Better stability even on bumpy or rocky roads. The bike bag allows installation in different positions by adjusting the bag straps according to your needs.Slimmer Shape Design --- Made of high-quality material, the front tube bag is durable, wear-resistant and in good shape, not worrying about deformation. With the slim body design, the installation position of the bag is parallel to the bike frame, which effectively helps minimize wind resistance and prevents legs from bumping during cycling.Colour:blackMaterial:Oxford cloth+PUSize:22 x 11 x 5cm Package Contents:1 * Bicycle BagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.