ZOMAKE 30L Lightweight Packable Backpack | Water Resistant Hiking Daypack | Dark GreenZOMAKE 30L Lightweight Packable Backpack Water Resistant Hiking Daypack Dark Green Nylon lining 0. 74LBLIGHTWEIGHTSuper lightweight and easy to fold up into a small pocket (A true space saver) to fit anywhere. So you can easily fold the backpack into its own pocket for storage, and unfold it when you reach your destination. To avoid overweight charge, simply unfold from your checked bags and use it as a carry on for your excess baggage. A must have