Features: Quality material: These pipe covers for outside are made of EPE foam, waterproof and shockproof, with sound insulation, heat preservation and good plasticity, can lock the heat, reduce the heat radiation loss of hot water pipeline, and avoid the cold water pipeline from being damp and dewing. Convenient and multifunctional: The length of each insulating foam pipe cover is about 40 cm/ 15.75 inches, and you can cut it into the appropriate size according to the actual needs, to protect your pipeline and prolong its service life. Specifications: Material: PEP foam Color: black Size: Pipe length: approx. 40 cm/ 15.75 inches for each Elbow length: approx. 8 cm/ 3.15 inches for each Fit pipe: approx. 1 inch Outer diameter: approx. 1.65 inches/ 42 mm Inner diameter: approx. 1.06 inches/ 27 mm Thickness: approx. 0.3 inches/ 7.5 mm Package includes: 4 x Insulation foam 4 x Elbow insulation Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Industrial product, please stay away from little kids.