The 18" White OB Marker with Spike is a reliable tool designed to clearly mark out-of-bounds areas on golf courses. Made from environmentally friendly recycled plastic, this marker provides an eco-conscious solution for course maintenance. The white marker with red printing ensures high visibility, making it easy for players to identify the boundaries of the course. Standing 18” tall, it is equipped with a durable stainless steel spike for quick and secure installation into the ground.