CONVERTIBLE BACKPACKS ARE IDEAL FOR EVERY TRIP: Wear as a backpack for hands-free travel, tuck backpack straps away and carry brief-case style or throw the bag over one shoulder with a convenient duffel strap. PRODUCT SPECIFICATIONS: Laptop Compartment Dimensions: 18" x 11.75" x 1.5"; Size: Medium; Exterior Dimensions: 19.5" x 14" x 9"; Linear Inches: 42.5"; Weight: 3 lbs, 5 oz; Capacity: 2538 cu. in.; Material: 840D & 900D Twisted Poly; SKU: EB2146-19