Durable MaterialIn addition to being waterproof, the stronger bike bag also has a tear-resistant fabric. Thanks to the high frequency stitching on both sides, not even a needle can penetrate the seams. Remember to protect your bike bags and delicate items from obstacles like roots and stones when you are off-road and doing adventurous activities Front Wheel & Rear Wheel Classic The attachment system is very intuitive and allows you to securely attach the saddle bags for bicycle to the frame. The fixed triangle hooks are also compatible with most luggage carriers (MAX16mm). And the velcro can be cut to fit the actual thickness of the carrier as you like. The bike bag is perfect for front or rear rack loading 2 in 1-Better for outdoor use. The 28cmx15cmx38cm, with a capacity of 15L and a roll top for up to 18L. Besides, you can carry the bag over your shoulder or on the back of your bike. Four colors to choose from to meet your outdoor cycling needs for commuting, outdoor touring and more Excellent Waterproof & Reflective LogoThe bike bag set for e-bikes can withstand heavy rain and splashing water thanks to the seamless fusion technology and roll top closure. Even if the bag is filled with water, not a single drop will seep out and protect your belongings from moisture. In addition, the front and sides of the bag have a reflective design, safety for you in the darkness