The 1-1/8" ID x 3/8" Wall Self Seal Rubber Pipe Insulation is designed to provide effective thermal insulation for pipes. Featuring a self-sealing design, this insulation allows for quick and easy installation without the need for additional adhesives. The durable rubber material ensures flexibility and a snug fit, minimizing heat loss and condensation. Each carton contains 36 pieces, making it ideal for large-scale projects in both residential and commercial applications, meeting energy efficiency standards.