Mountain Warehouse Voyager 50L Wheelie Rucksack - Durable Backpack Capacity - 50 litres, ideal for travelling, camping, backpacking trips and outdoors Composition  Durable PU coated polyester for longlasting use Compression Straps - Used to reduce the weight of the rucksack and aid balance Shoulder Straps - Padded and easily adjusted for comfort and zipped away for versatility Robust Wheels - Durable and smooth, allows easy and quick luggage movement