Kiken 18-Inch Custom Build Blast Laptop Shoulder Bag, Green (SL-SB-104-01) Patent Pending M.A.S.K. technology enables interchangable flaps to change look/functionality at any time Quick Scan access enables laptop to stay inside backpack when scanning at airport Super-cush dedicated laptop storage for up to 17" laptops 1680D Ballistix Nylon; puncture proof and water resistant Molded alloy zipper pullers, "D" rings and strap clasps