XUEMEI The Sports Cycling Bag adopts breathable shoulder straps to dry quickly when sweating. The back is filled with a double-layer breathable mesh and helps to reduce friction between the back and the backpackOur Cycling Backpack can be used as a sports and outdoor backpack, suitable for cycling, running, rock climbing, hiking and other sportsThe fabric of this Water Backpack is waterproof and can keep your items dry even in bad weatherThis Bike Backpack has a capacity of 5L and a weight of 0.33kg/0.73lbs. It can be used to hold water bags (not included) or to carry small things, such as glasses, mobile phones, keys and moreThe Running Backpack is foldable, non-wrinkling and easy to store. The surface of the bag has reflective area so you will be safer in dark situationThis Bike Backpack has a capacity of 5L and a weight of 0.33kg/0.73lbs. It brings you a low burden and an easy cycling experience. The Running Backpack is foldable, non-wrinkling and easy to store. The surface of the bag has reflective area so you will be safer in dark situation. Our Cycling Backpack can be used as a sports and outdoor backpack, suitable for cycling, running, rock climbing, hiking and other sports.FeaturesBike backpackColor: Green.Material: Polyester.Size: 45x22.5x5 cm/17.72x8.86x1.97 inch.Note:1. 1 inch=2.54cm/1cm0.393inch.2. Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind this.Package Including1 * Bike backpack