Skyflying 35L Outdoor Sport Hiking Daypacks Mountain Climbing Backpack Bagpack Travel Bag Nylon+Oxford cloth Multipurpose:outdoor travel,hiking,trekking,camping Main material:Nylon+Oxford cloth,it's a very durable backpack. Size:11.8"*7.08"*20.4" Streamlined contracted design,fashion,full of outdoor sports atmosphere,on the principle of human body engineering design air exchange of bearing Structure:1 Main zip pocket,2 inside pockets,1 front zip pocket and 2 side mesh pockets Increase air cushion gasket back and waist,breathable mesh and inner filling soft interlayer sponge,buffer shock absorption,reduce the pressure of body contact area,further enhance with comfort