Fashion outlet 18L Fashion Durable Backpack for Bike Riding Outdoor Sports Unisex Cycling Bag Handbag Fashion cycling backpack for both men and women; Large capacity for you to hold accessories you need while go out; Double zipper closure design, convenient to use; With tighten chest strap and waist strap in front; this will lighten the weight on your back while you are riding; Material: Dacron