AC line insulation is composed of three layers of Oxford cloth, pearl cotton compartment and aluminum foil inner layer, which prevents cold loss in summer and condensation in winter, and effectively reduces heat and cold loss during air conditioning operation. Pipe covers for outside approx size 78.74”(Length)*11.81”(Width), length can be cut at will to fit many sizes of air conditioning pipe. AC pipe insulation has strong weather resistance, anti-aging design, long-term use still maintains the elasticity, to avoid the traditional material embrittlement and shedding problems, to extend the life of air-conditioning piping. Pipe insulation wrap with velcro design, no need for professional tools, can be torn to closely fit the pipe, DIY installation can also be easily done. HAVC line cover waterproofing and moisture-proofing, humid environment can also be easily dealt with. AFTER-SALES SERVICE: CrsaSwivo offers free returns and refunds within 90 days. If you have any questions or concerns about the product, please feel free to contact us