Material:Waterproof lightweight anti-scratch soft polyester, nylon lining, breathable mesh back panel, smooth zipper. The zipper of main compartment with double metal sliders and metal sliders have rope, easy to closed. Dimension:11.8*5.1*15.7 Inches(Length*width*high), weight:1.1LB. Roomy main compartment can fit for 14 inch laptop.internal:1 zipper pocket, 1 laptop sleeve, 2 pen sleeves, 1 cellphone pocket,1 wallet pocket, 1 key ring; external: 2 side pockets,1 frontzipper pocket. Adjustable mesh padded shoulder straps and soft mesh back panel give more breathable, ventilation, heat dissipation that support carrying comfort. Exquisite fashion print pattern,no fade,no smell,environmentally friendly and healthy. It very suit for teen-agers as school backpack, daily used, short travel etc. Front pocket can storage small stuffs,side pockets can hold water bottle and umbrella. For more convenience in daily using.