Strong material-----The car cap uses high quality and strong material, please note that it is as strong as ABS material, but not easy to crack and durable. Wheel tires for trailers cars, trucks or other vehicles. For wheel chocks. Car chocks for leaning. Powerful Features---Truck Wheel Blocks Heavy duty construction makes the vehicle stable and durable. The non-slip rubber bottom optimizes grip when the vehicle is parked on the block. The compact size can be easily placed in your car without taking up too much space. Lightweight for easy grip and prevents tires from rolling. MULTI-PURPOSE----These car wheel chocks can be used for many purposes and are ideal for blocking cars, trucks, trailers, small planes, RVs, dumpsters , boats, horse trailers and more to keep your vehicle from rolling. It will hold your car in place even on the steepest slopes. EASY TO USE ------ The rubber wheel stopper features an integrated handle for easy placement or positioning and rubber traction pads with an oil resistant surface to prevent slipping, lightweight but enough durable to hold almost any vehicle or trailer in place. Non-slip design ---- Heavy-duty black wheel chocks treat the outer surface with slight non-slip lines to enhance friction. Heavy-duty rubber traction pads on the bottom of the wheel chocks help prevent slipping on the flat surface when reversing. It protects your vehicle or trailer at all times.