Lost In Berlin Square Backpack 15。The Square backpack is the perfect fit for city travelers who are always on the go. Compact, slim, and minimalist, yet it has essential features: a laptop sleeve, a smart sleeve, and a pocket hidden under the front flap. Interior: 1 zipped pocket 1 flat pocket Laptop compartment up to 15\" Polyester lining Volume: 12L Exterior: 1 hidden zipped pocket Adjustable and padded backpack straps A SmartSleeve™ that allows the bag to be put on a suitcase Reversed zipper with mat coating, improving the water resistance Metal pullers with a shiny finish and silicone Debossed Lipault logo Material: 52% Polyurethane / 48% Polyester PU with rubber effect, soft-touch, scratch, and water-resistant Weight: 1.3 lbs. (0.6 kg) Overall Dimensions: 15\"H x 10.2\"L x 5.9\"W (38 x 26 x 15 cm)