Dell EcoLoop CP5626 Carrying Case (Backpack) for 35.6 cm (14') to 40.6 cm (16') Notebook - Black - Anti-scratch Interior, Water Proof Zipper, Water Resistant Bottom, Dirt Resistant Bottom, Wear Resistant, Tear Resistant, Anti-scratch, Water Proof, Dirt Resistant, Water Resistant Exterior - Cross-linked Polyethylene (XPE) Foam, Foam, Polyurethane, Plastic, Fabric Body - 400D Twill Exterior Material - Shoulder Strap - 450 mm Height x 295 mm Width x 150 mm Depth - 23 L Volume Capacity