Ergodyne Arsenal 5843 Tool Backpack Dual Compartments 1200D Ballistic Polyester w/PVC backing Two main compartments house 26 interior pockets and 11 PALS webbing loops 7 exterior pockets of different shapes and sizes to hold a variety of tools and equipment 4 Molded ABS plastic bases Third party certified for hoisting up to 50lbs (23kg) with a 4:1 safety factor