The Exped Transfer Wheelie Bag is a water resistant, roll-top style bag that can be used as either a wheelie duffel or a backpack, simpy unzip the back to reveal the straps. It's perfect for frequent travelling and weekend trips away. It keeps your gear clean and safe during flights and the rest of your trip. The zippered access to the suspension system of your backpack allows for a swift switch between rolling and carrying. The roll-top closure of the bag allows volume adjustment for packs between 40-80 l or duffle bags up to 100 l. When not in use it packs down to 36 x 30 x 24 cm and only weighs 1.68 despite the durable and silent wheels.  Exped Transfer Wheelie Bag Features Volume: 100L Size: 30x36x90cm Weight: 680g Water-repellent