Dimensions:39*16*40 16 Pocket， organize a wide variety of hand tools. Vertical tool wall to organize a variety of extended screwdrivers and hand tools. 16 pockets inside and13 outside3 pocket，organize a wide variety of hand tools. Vertical tool wall to organize a variety of extended screwdrivers and hand tools. Large pads on back for extra comfort make carrying heavier loads more comfortable on stress areas of the back. Base pad feet helps reduce wear and abrasion.long lasting nice density