2Pcs 22' Rubber Parking Curbs are made of new thick rubber, offering 22,000Lbs load-bearing capacity Prevents the cars from over-running, bottom hollow design with resilient rubber provides a buffer Equipped with yellow reflective safety strips to improve visibility for safe parking Designed to be easily installed with pre-drilled mounting holes It is suitable to be installed in indoor or outdoor garages, driveways, parking lots, etc.