STM Chapter Carrying Case (Briefcase) for 38.1 cm (15") Notebook - Black - Impact Resistant Interior, Moisture Resistant Exterior, Water Resistant Exterior, Dirt Resistant Exterior - Polyurethane, Polyester Body - Hand Strap, Shoulder Strap, Luggage Strap - 320 mm Height x 419.9 mm Width x 59.9 mm Depth Some of us prefer briefs (instead of boxers, instead of backpacks). STM provides those with this preference all the best features of our packs-our suspended tech cell, plenty of pockets, and ample room to store your stuff. Plus, it's just as comfy over your shoulder or in your hands.