The (48 FT) 1/2 ID X 1-1/2 WALL SELF-SEAL BLACK RUBBER INSULATION TUBE with Tape by Jones Stephens is an essential product for thermal insulation in plumbing systems. This self-sealing tube measures 1/2 inch in inner diameter and 1-1/2 inches in wall thickness, providing excellent insulation properties. The black rubber material ensures durability and resistance to moisture, making it suitable for both indoor and outdoor applications. This insulation tube is easy to install, thanks to its self-sealing feature, and meets industry standards for thermal performance.