Greenlan Lightweight Waterproof Backpack Foldable Durable Daypack Travel nylon Imported Material: High quality and lightweight Rucksack, water resistant Collapsible backpack, durable Abrasion Resistant SBS Metal Zipper USE: Lightweight and Roomy for fishing, hunting and camping outdoor sports or leisure activities, Perfect for day trips, vacation, travel, day hikes, school and shopping More storage space: Three zippered compartments, main pocket is Large enough to carry in the trip, smaller outside pocket is great for quick access such as guide books and camera, inner zippered pocket is a perfect place for valuables, 2 water bottle side pockets Convenient and lightweight: Folds into zippered inner pocket an ultra-compact pouch fit anywhere, unfolds from pocket to backpack, you can easily pack it in your suitcase for use at their destination as an extra bag for the trip Comfortable: The most comfortable wide breathable shoulder straps make this waterproof backpack easy to adjust the length & lock firmly and very convenient to fold or unfold from your luggage