Zuca - Backpack LG CartOur expanded capacity "LG" cart offers 50% greater capacity than our original Backpack Cart. Turn your favorite bag into a rolling backpack and go anywhere with less effort and stress. Travel with heavy gear on any terrain from urban to suburban. ZCA gets you there while avoiding back and shoulder strain and always offering you a seat! Lifting up the built in seat allows easy access to contents and the flexibility to carry a variety of bags &