Pelican Urban Elite U100 Carrying Case (Backpack) for 17" Notebook, iPad, Tablet PC, Travel Essential, Document, Bottle - Black - Crush Proof, Dust Proof, Water Proof, Impact Resistant Interior - Acrylonitrile Butadiene Styrene (ABS), Kodra, Ballistic Nylon, Polypropylene, Polyurethane - Shoulder Strap, Handle