Are Trolleys are the most user friendly trolley in the market, Lighter in weight the all the others, they are all aluminum. The features on are trolleys are, large wheels that roll on grass, dirt, gravel with ease, brakes on two of the wheels, easy to fold in with to 5 1/2 inches, rubber moldings on all edges, slide bolt closures, safety latches on all doors you even can put a small pad lock on the latches for added security. Color coated easy to touch up if scratched.