the lightweight messenger bag in damier geant canvas has two inside compartment,one of which is designed to hold a laptop computer. damier Geant canvas composed of technical fiber similar to those used in mountain-climbing rops,canvas base and shoulder strap,sturdy textile lining,aluminum pieces,large flap with magnetic closure,two inside compartments,one designed for a laptop computer,one soutside zipped pocket Size:14.5" x 12.2" x 3.5"