The four wheels allow it to be moved easily in any direction on different surfaces. Can also be used as a temporary wheelchair.Easy to set up, this evacuation transport chair is very lightweight - compact enough to carry in a car if needed. Incorporates quick release seatbelt, carry handles, foot rest and paddled seat for comfort. Enhanced sure-grip handle for a good grasp and can be used by 2,3 or 4 people. Open : 52 x 93 x 92cm. Folded : 52 x 26 x 83cm.