NightGlow Spiral Wrap, Properties Photo Luminescent, Material Polyethylene, Max. Operating Temperature 280 Degrees F, Min. Operating Temperature -40 Degrees F, Nominal Inside Dia. 3 7/16 in, Color Off White, Wall Thickness 7/32 in, Length 40 ft, Width 2 1/8 in, For Maximum Bundle Diameter 5 7/8 in, For Minimum Bundle Diameter 3 13/16 in, Helical Cut Pitch 2.2 in, Nominal Outside Dia. 3 7/8 in