The NC2WH6 Halogen-Free PPO Wiring Duct Cover features a non-slip, liner to prevent cover slide. The cover is easy to install and remove. The special-purpose material is for use in halogen-free or high-temperature applications. It has a UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95°C (203°F) and is 20% lighter than PVC.Halogen-Free, Polyphenylene Oxide (PPO). 0.35" x 2.25" (8.9 mm x 57.2 mm) and 6' (1.83 m) long. Color White. 6 per package.