This tool master backpack is 13 1/2 width x 11 height x 19 1/2 inches depth and features 36 inside pockets and 12 outside pockets. This black and orange backpack has a hard moulded polypropylene bottom, a heavy-duty metal hook, an adjustable front pouch, Aircraft cable heavily reinforces the handle as well as a heavy-duty zipper with lockable pulls handle, and a removable 11 pocket tool caddy. This backpack is made of a 1680D ballistic weave material.