Its reinforced internal structure maintains the tire's optimal shape and prevents its deformation in case of air pressure loss. When air pressure leaves the tire, due to a puncture or other damage, the tire can be driven on for 50 miles up to the speed of 50 mph. as the structure keeps the optimal tire shape and supports the weight of the vehicle and its passengers. In such situations, as a result, the driver is not stuck on the side of the road, but they can safely drive to a near-by location. These tires cannot be mixed with regular tires. They are made for vehicle's that have no space for spare tires.