Vagabond Traveler Extra Large Classic Oil Tanned Full Grain Leather Briefcase Backpack (Heavy 9.5LB) L06 Single Strap Convert Briefcase to Backpack Dimension: 18 * 12.5 * 9"; strap: 37 - 67"; weight: 9.5 lb 2 spacious internal compartment size: 17.5 * 12" Adjustable 1 full leather shoulder strap - quick convert Stylish 3 strap belt-buckle fasteners, double stitched 2 side pockets; 2 big internal pockets with pen holders