The Amerimax Flex-Drain 4" x 25' Poly Perforated Drain Pipe 4" 51510 is a high-quality shockpad made of durable polypropylene and plastic materials. It comes in a sleek black color and includes a black sock for added protection. This product is designed for efficient drainage and landscaping purposes, with a perforated pattern for optimal water flow. With a length of 4 inches and a pack containing 1 item, this Flex-Drain pipe is a reliable choice for maintaining a healthy and well-draining garden or outdoor space.