... bubble+foil,having super fire-proofing, flame resistance, delicate appearanc . air bubble foil is made of alu foil+bubble+alu foil ... sound,reduce noise,and provide cushioning function. 4. It is water and leak proof, anti-flaming, easy to be processed and ... and protection for both cold water and hot water pipe.2. Separation of refrigerator; warm keeping for center air-conditioner, refrigerator and other ...