1.bubble/aluminum/woven cloth 2.fire-retardant 3.thickness:2.5mm~30mm 4.97% reflectivity Characteristics:1.No odor and toxicity, Environmentally-friendly;2.Light, soft, dust free, fire retardant, easy to install;3.Heat reflection, heat insulation, sound insulation, anti-radiation, anti-vibration and shielding;4.Moisture barrier, sun-proof, water proof, good sealing property, heat preservation, ...