Flexible and reusable Edge Liner to transfer texture to edges. corners, risers of cast in place steps, counter tops, pool copings and wall caps. Proline’s Edge Liners are made of high quality and lightweight polyurethane for extreme durability, resulting in a variety of lifelike natural stone textures. Yosemite Stone texture available in 2 profiles: Flat & Hammered Edge. Unique to the industry, Proline’s Edge Liners are designed to FIT FORM LUMBER.