See full details on Home Depot: https://www.homedepot.com/p/Tubolit-1-1-8-in-x-1-2-in-Semi-Slit-Polyethylene-Foam-Pipe-Insulation-186-Lineal-Feet-Carton-DGT11812S/203357669

For an economical and energy efficient way to help prevent your pipes from freezing, consider using the Armacell Tubolit 6 ft. Polyethylene Pipe Wrap Insulation. Tubolit has excellent insulation properties to help protect your copper and iron pipes against condensation and mold. Tubolit is a professional brand of choice with proven performance.
Designed to insulate copper and iron pipes
Closed-cell foam helps protect against freezing
For energy saving use on hot and cold plumbing
Made of polyethylene
Helps protect pipes from freezing and mold
Fire rated

SKU 3149