JanSport Driver 8 Rolling Backpack with Wheels (Black) Laptop Compartment Dimensions: 14.25" x 10.5" x 2" Exterior Dimensions: 20.5" x 14" x 9" Linear Inches: 43.5" Weight: 4 lbs, 15 oz Material: 600D polyester/420D Velocity Capacity: 2100 cu. in.