Textured poly weave Magnet closure 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 Note: Bags not intended for use by children 12 and under.