Flex-Wall a brand of True Form Plastics which was established in 2016 to develop products to solve our customers needs. An Amish owned and operated company located in beautiful Lancaster County, PA. Flex-Wall is a flexible, plastic border that is used in landscaping and is super-easy to install. The Flex-Wall is formed by using heavy-duty rotational molding; which makes it very durable, and...it looks like natural stone in your garden!