TECOOL 25L Waterproof Outdoor Sports Backpack Shoulder Belt Bag For Trekking Biking Cycling Traveling Camping Hiking (Green) Lightweight straps design,much more comfortable. The mesh bag in two sides can store kettle and other small objects. The Lateral elastic ban can be used to fixed items such as mats and tent. Integrated breathable mesh pad in the back,breathable and not muggy. The waterproof nylon fabric, provent the items inside from being wet.