This pannier bag is made of waterproof high quality polyester and eva material, which is strong, durable, light, water resistant and durable. The tail lights, can be easily mounted to the rear of the bag. The special waterproof design makes it easy to clean and dry, and can be used as a wet mat or as an ordinary bag. Full length, easy to clean, can be tied with the buckle. Suitable for most mountain bikes, electric bicycles, and mountain bikes, which can be easily installed on the handlebars of your bike.