One main zipped compartment and one side pocket keeps your things organized and separated. It can easily fold up into small pocket, so that you can easily pack it in your suitcase for use at their destination as an extra bag for the trip. Avoid overweight charges, simply unfold from your luggage and use it as a carry on for your excess baggage. The waterproof backpack is ultra-light, ultra-durable and ultra-awesome, perfect for hiking, camping, traveling, overnight trip, day-to-day use and more. It is a great gift for men, women or any travel enthusiast.