Features:1. This product is lightweight, soft, easy to install, and durable.2. This product combines the light reflection and heat resistance characteristics of the outer aluminum film material with the insulation and heat insulation of the polyethylene material to play the role of heat reflection, heat insulation, heat preservation, and energy saving.3. Summer: moisture-proof, sun-proof, heat-insulation, and air-conditioning saving; in winter, it has the function of heat preservation, which can save heating and has significant energy-saving effect.4. It can be installed on the roof, wall or floor, and it can prevent the building from more than 80% of the heat energy from the outside world, protect the wall, and resist the sudden increase and decrease of temperature.5. Uses: roofs, walls, floors; shells for air conditioners, water heaters, and high-temperature furnaces; water pipes and ventilation pipes to protect the outer layer.Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: PETSize: 1*1m/1*2m/1*3m/1*4mincludes:1 x Foil Insulation Film