Features: 1.Material: Heat insulation is produced from aluminum foil with bubble liner. Heat-resistant insulation rolls are durable against heat and moisture. The insulation on the door will definitely provide protection against heat fire and water. 2.Multiple Insulation Functions: The more air spaces formed by the double layer of bubbles the more it slows down heat transfer; this is a good thermal barrier for water and noise. 3.Multi-purpose and Lightweight Wall Insulation Rolls: Insulation rolls are lightweight and flexible which means that pipe insulation offers extreme comfort. 4.Versatile: Our most popular bubble foil insulation can be used in metal buildings pole barns basements and many other places where vapor barrier is needed. 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: Aluminum plating+Bubble Product size: 25*6inch Thickness: 3mm Uses: building insulation heat insulation pipe insulation roof insulation flower room insulation Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 Roll of Spiral Insulation Bubble Film "