Tumi Women's Sinclair Olivia Convertible Backpack, Black, One Size Add-a-bag strap, double zip closure on main compartment, zipped laptop compartment, 1 front pocket, back pocket with snap closure, adjustable backpack straps that tuck away, leather grab handle 1 zip pocket, 1 jewelry pocket, 2 media pockets, pen loops 3.5x13.25x15.5