HushGecko(TM) Large Capacity Waterproof Foldable Lightweight Luggage Bag LARGE CAPACITY - Size: 18" x 15" x 8" (45cm x 37cm x 20cm). Multiple pockets to classify your personal stuff and keep well organised. FOLDABLE - Fold the bag for stroage in you luggage, and simply unfold from your luggage and use it as a carry-on for your excess baggage, or whenever you need it. DURABLE - Made of Waterproof Polyester, zipper closure, reinforced handles and adjustable strap. High workmanship providing strengthen and long-lasting performance with minimal weight. EASY TO CARRY - Can Attach on the Handle of Suitcase, special design makes your trip easy and happy. MULTI-FUNCTION - The backpack is perfect for day-to-day use or occasional travel, ideal for flight, gym, sports, trekking, hiking, camping, etc.