JARBO 8610 Traveling Backpack Hiking Backpack Climbing Camping Bag Biking Cycling Backpack Outdoor Sports Bag Capacity: 60L Dimension: 61x37x21cm (Height x Width x Thickness) Water proof nylon fabric,durable and protect the items inside from being wet. Integrated breathable mesh pad in the back,breathable and not muggy.and mak your back more comfortable during your trip. Multipurpose: outdoor travel, hiking, trekking, camping,cycling.