If you feel like you're carrying half of your belongings with you at all times, this backpack is for you! It has a spacious inside compartment (with a pocket for your laptop), and a hidden back pocket for safekeeping your most valuable items. • Made from 100% polyester • Fabric weight: 9.91 oz/yd² (336 g/m²) • Dimensions: H 16.1" (41cm), W 12.2" (31cm), D 5.5" (14cm) • Capacity: 5.3 gallons (20l) • Max weight: 44lbs (20kg) • Water-resistant material • Large inside pocket with a separate pocket for a 15” laptop, a hidden pocket with zipper on the back of the bag • Top zipper has 2 sliders, and there are zipper pullers attached to each slider • Silky lining, piped inside hems, and a soft mesh back • Padded ergonomic bag straps from polyester with plastic strap regulators