Specifications: Unfold size: 42x30x18 cm (HxWxD) Package size: 17 x 17 cm. Capacity: 20 liters Weight: 250 g Features: Made of high quality tear resistant nylon. It can provide maximum protection against dust, scratches and other damaging agents. The main pocket is large enough to carry what you need. The whole zipper is made of high quality resin to avoid stiffness. Small external pocket ideal for quick access like guides and camera. Breathable mesh shoulder straps. It can hold up to 25 kg. Bottle holder on both sides. Easy to adjust the length and lock firmly. Box contents: 1 x backpack