The 2-1/8" ID x 1/2" Wall Self Seal Pipe Insulation from Braxton Harris is engineered to improve energy efficiency and reduce heat loss in plumbing systems. This insulation features a convenient self-sealing design, allowing for quick and easy installation around pipes. With a 2-1/8" inner diameter, it accommodates various pipe sizes, providing effective thermal protection. The 1/2" wall thickness ensures optimal insulation performance, making it suitable for both residential and commercial applications. Each carton contains 14 pieces, offering ample coverage for your insulation projects.