Does size matter When traveling, it absolutely does. The Protege 36 Rolling Trunk Duffel is a jumbo-sized duffel with a packing capacity large enough for your family that eliminates the need for separate bags. It's the perfect companion for the next family outdoor trip on your calendar. When packed and extended, this roomy duffel measures at 36 (L) x 16 (H) x 15 (W) inches with 141.5-liter volume, and 4.6 pounds. Many travelers will find the unique feature to be its ability to expand into a rolling duffel and compact and fold itself into a small bag, making it easy for hotel, gym, or home storage. Whether it's used as a family camping bag, gym bag, weekender bag, storage bag, or a travel bag, it's a simple design choice that lends better organization and efficiency to smaller spaces. The Protege 36 Duffel also features heavy-duty, weather-resistant 600 D. Polyester construction, a spacious main compartment with a tri-fold bottom board for extra strength when expanded, and built-in inline skate wheels for smooth gliding on surfaces.