Key SpecificationsIt is an environment friendly product which has good heat preservation and insulation properties. The outer layer of PET provides excellent abrading and tears resistance. The middle layer of AL / XPE shows strong ability in barrier of moisture and oxygen, reduction and insulation of sound. The middle layer also has the advantages like reflecting light and heat and stopping the penetration of ultraviolet radiation. Bubble size: 20*7 mmRoll Size: 1.2m x 30m/roll, 48" x 125'/roll or custom-made. Feature: It has no nocuous substance and accord with the standards of ISO14000. It also does not generate any pollutant bringing harm to peoples health when being installed and in use.