Large Ourdoor Hiking Pack Sports Backpack Travelling Backpacking Material: nylon. Water Resistant. Guard your belongings in the rainy weather. Size:12.2*8.3*20.1IN/ 31*21*51CM Weight:0.7LB/ 0.31KG COMPACT. Easy to folds up into small pocket. Unfolds from pocket to backpack. Compact Size:25*20CM/ 9.8*7.9IN ROOMY(30 Liter) Perfect for hiking,traveling,camping,cycling,mountaineering and trekking. LIGHT WEIGHT(0.31KG/0.7LB)