The 2-7/8" ID x 1/2" Wall Self Seal Pipe Insulation is designed to improve energy efficiency in plumbing systems. Each carton contains nine pieces, making it suitable for various projects. The self-sealing feature allows for quick and easy installation, ensuring a tight fit around pipes without additional adhesives. Made from high-quality, moisture-resistant materials, this insulation helps prevent heat loss and condensation, promoting optimal performance in both hot and cold water pipes. Ideal for residential and commercial applications, it is a reliable choice for energy conservation.