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. When you purchase this backpack with my "Sky is the Limit" artwork, 20% of the proceeds will go back to The Woodlands Chapter of Jack and Jill and local charities. Net proceeds benefit Jack and Jill of America Foundation, Inc. and local charities.• Made from 100% polyester• Fabric weight: 9 oz./yd.² (305 g/m²)• Dimensions: 16.1″ (41 cm) in height, 12.2″ (31 cm) in width, and 5.5″ (14 cm) in diameter• Capacity: 5.3 gallons (20 l)• Max weight: 44 lbs (20 kg)• 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• Blank product components sourced from China