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 kgNote: Bags not intended for use by children 12 and under.