Waterproof Folding Outdoor Hiking Travel Sports Backpack Bag everyday use black bag back to school Ultra Lightweight Foldable Backpack Packable Daypack For Hiking Cycling Sports, Camping, Travelling COMPACT:Fold into zippered inner pocket to fit anywhere. Unfold from pocket to backpack. MORE STORAGE SPACE& KEEP THINGS ORGANIZED: 1 x Main bag: To carry what you need in the trip 1 x Interlayer: For your computer, books… 1 x Zippered inter bag: A perfect place for valuables such as cash, credit cards and passport. 1 x Front bag: Great for any quick access such as guide books. 2 x Side mesh bag: For your travel mug, umbrella… MATERIAL: The backpack is made from highly rip and water proof nylon fabric, provide strengthen and long-lasting performance with minimal weight. Stress points are reinforced with bar tacking for increased longevity. Dimensions: Unfold 17.5 x 12 x 5 inches / Fold 7 x 6.5 x 2.5 inches Ultra-light, Ultra-durable, and Ultra-awesome: The backpack is perfect for day-to-day use or occasional travel, and great gift for everyone