Sufficient Quantity: you will receive 12 pieces of pipe insulation foam tubes, with the size of 3.8 cm/ 1.5 inch in diameter of the middle hole, 1 cm/ 0.4 inch in thickness, 40 cm/ 15.7 inch in length, ample quantity can meet your using needs Quality Material: the foam pipe insulation is made of foam, with flame retardant on the surface to prevent fire, safe and reliable to use Self Adhesive: the water pipe insulation tube is self adhesive, will form tightly seal after removing the protective paper, not easy to fall, reassuring to use Practical Function: the outdoor pipe insulation cover is suitable for hot and cold pipes, which can save resources by stopping condensation, and can prevent heat loss, fitting to prevent water pipes from freezing in winter and sweating in summer Convenient to Use: the foam insulation tubing is equipped with the pre cutting slit, which makes it easier to open and install on the pipe, bringing much convenience for your installation