Features:made of water-resistant reinforced pu coated nylon.with spacious compartment and numerous pockets.front pocket and side pockets are detachable, can be used separately as waist bag, hand bag and messenger bag.wider shoulder straps for maximum support and comfort.two buckle belts (chest & waist belt) to fix more firmly. Specifications: material: nylonmain compartment size(approx): 30 * 50 * 16cm / 11.8 * 19.7 * 6.3infront pocket size(approx): 18 * 32 * 10cm / 7.1 * 12.6 * 3.9inside pocket size(approx): 20 * 14 * 6cm / 8.0 * 6.0* 4.0inproduct weight: 1700g / 3.74lbpackage size: 50 * 40 * 9cm / 4.9 * 2.8 * 2.0inpackage weight: 1720g / 3.79lb package list:1 * outdoor tactical backpack