Dimex EasyFlex Marine P-Profile Dock/Marine Edging, 25-Feet, White (5000J-W25) P-PROFILE DOCK EDGING: Commercial grade P-shape design has a double cavity with a single rib to prevent edging from crushing under the pressure of heavy boats  keeping boats from scraping against sharp corners and dock edges INCLUDES: 25 foot roll of white dock edging, made with flexible recycled PVC LEDGE TOP: With a flat back and ledge top, P-Profile Dock Edging fits perfectly over the edges of horizontal installations EASY TO INSTALL: Simply uncoil, cut to size with a handsaw, and secure with screws in a diagonal pattern on the top and sides  EasyFlex Galvanized Deck and Dock Screws are recommended for installation and sold separately NO COLOR TRANSFER: Made with pigmented plastic, this rub rail has no skin coat on the top surface  meaning no scuffing on your boat, or showing a different base color after being rubbed