BOLANG Waterproof Hiking Daypack Outdoor Backpack for Camping Travel 40L Multi Compartments Design: A main compartment with an oppen pocket; two top zipper pockets; two front zipper pockets; two side mesh pockets, a large side zipper pocket; two hip-belt zipper pockets; bottom rain cover compartment; Bear Breathable System: the heat could quickly spread out, avoiding the embarrassment of sweat, also it's more comfortable for your back; Suspension System: breathable perspiration, relieve burdened; Size: (L)21.5" x (H)12" x (W)7.5" ; Capacity: 40 liters; Weight: 1.2kg(2.65lbs); Material: High quality water resistant nylon; Perfect for hiking, camping, climbing, travel, everyday use, suitcase alternative, college, casual, etc; This backpack is a great gift for everyone.