Plastic Lumber from MARKSTAAR 6696 6” X 6” X 8' is an excellent recycled plastic lumber and plastic board alternative solution for plastic recycled lumber applications such as decking, walkways,
Frontera Recycled Plastic Lumber - Pack of 20
3 in.x4 in.x8 ft. Black Recycled Plastic Lumber Landscape Timber Edging G-Grade | eBay