Made of hefty-weight recycled HDPE plastics including milk jugs and detergent containers, Master Mark Plastics' Terrace Board Landscape Edging Install Stakes are easy on the environment and reliably durable in the yard. Featuring a natural-looking brown finish, the set of 20 stakes snap on top of the Terrace edging to help hold it in place and stay put with sturdy snap locks. Made to pair with Master Mark Plastics' Terrace Board edging. Master Mark has manufactured recycled lawn, garden and building supplies since 1966. Currently the company recycles more than one billion plastic containers each year, and it tailors all of its product packaging for minimal landfill impact.