This medium size backpack is just what you need for daily use or sports activities! The pockets (including one for your laptop) give plenty of room for all your necessities, while the water-resistant material will protect them from the weather.Made from 100% polyesterDimensions: H 16 in (42cm), W 12 in (31cm), D 3 in (10cm)Maximum weight limit 44lbs (20kg)Water-resistant materialLarge inside pocket with a separate pocket for a 15 in laptop, front pocket with a zipper, and a hidden pocket with zipper on the back of the bagSilky lining, piped inside hems, and a soft mesh backPadded ergonomic bag straps from polyester with plastic strap regulators