The Subterra 90 Litre is a great 2-in-1 bag that comes as one large bag that can be unzipped into two separate bags: one rolling upright and one duffel bag. This is a great option for couples or families who want to limit the amount of luggage they are carrying to and from the airport. The Thule Subterra Luggage 75 cm / 30 '' is 90 litres giving you the ability to carry everything you need to enjoy your trip. Easy to pack and stay organized with spacious interior that divides into two separate compartments. Smooth and easy transport with tough, oversized wheels and V-Tubing telescoping handles. Effortless travel thanks to the piggyback strap attachment loop that allows an additional bag to be hooked on. Bag design absorbs the impact of travel due to the durable exoskeleton and moulded polycarbonate back panel. Smooth lifting and rearranging with top, side and bottom grab handles. Protects contents from the elements due to the durable, water-resistant materials. External compression straps allow you keep you items in place throughout travel. Quick access to keys, wallet and smaller items with zippered pocket. Built in ID card slot simplifies identification of bag. Volume: 90 Litres / 5490 Cubic Inches. Height: 75 cm / 29.5 in. Length: 41 cm / 16.1 in. Depth: 40 cm / 15.7 in. Weight: 9.7 lbs / 4.4 kg. Material: Nylon.