It is widely used for piping heat and cold insulation such as air conditioners in household.Solar energy water piping thermal insulation.Buildings and industries metalized piping and tube insulation.Special insulation and protecting for some small pipes and electrical pipelines.Product Name : Pipe InsulationFit for : Air ConditionerColor : BlackMaterial : Rubber PlasticInner Diameter : 10mm/ 0.39 inch (3/8 inch)Thickness : 9mm/0.35 inch(3/8 inch)Length : 170cmWeight : 93gpackage content : 3 x Foam Pipe InsulationOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.