Textured poly weave Magnet closer and zipper at opening for security Interior organizer pockets Backpack straps tuck away in large back pocket when used as a tote Integrated padded luggage trolley pass through on back Laptop sleeve: 14.5"h x 12.9"w; fits most 15" laptops Dimensions: 18"h x 12.9"w x 8.2"d Capacity: 1,220 cu.in./20 L Weight: 1.76 lbs./0.8 kg