This medium-sized backpack is perfect for everyday use or sporting activities! The bags (including the one for the laptop) offer plenty of space for everything you need, while the waterproof material protects the interior from the weather. • 100% polyester • Dimensions: HxWxD 42 cm × W 31 cm × 10 cm • Fabric weight: 325 g/m², weight may vary by up to 5% • Maximum load: 20 kg • Water-repellent material • Large inner pocket with separate pocket for a 15" laptop, zippered front pocket and a hidden zippered pocket on the back of the bag • Top zipper with 2 sliders and zipper pullers • Silky lining, padded hems and soft mesh back • Padded, ergonomic polyester bag straps with plastic strap regulators