Dell EcoLoop Pro Carrying Case (Backpack) for 38.1 cm (15') to 39.6 cm (15.6') Notebook, Gear, Bottle - Black - Impact Resistant, Weather Resistant, Dirt Resistant, Weather Proof, Water Resistant, Abrasion Resistant - Polyester Body - Shoulder Strap, Hand Grip, Trolley Strap - 445 mm Height x 315 mm Width x 140 mm Depth