... dustfree,fire,retardant,easy to install; Heat reflection,heat insulation,sound insulation,anti-radiation,anti-vibration,and shielding; Moisture,bNo odor ... ,heatpreservation,energy saving…; Summer:moisture barrier,sun-proof,heat insulation,saving energy consumed by cool air conditioning; Winter:heat ... , H 4mmBubble weight: 0.26 KG/M2 (weight of double layer bubble )Roll Width: 1.2M (Length can be ...