The 2-1/8" ID x 3/8" Wall Self Seal Pipe Insulation is designed to enhance energy efficiency and prevent heat loss in plumbing systems. This insulation features a self-sealing design for easy installation, making it ideal for both residential and commercial applications. Constructed from high-quality materials, it provides excellent thermal resistance and sound dampening. Each carton contains 16 pieces, ensuring ample coverage for various pipe sizes. This insulation meets industry standards, making it a reliable choice for energy conservation and system protection.