advertising material ,aluminum foil fiberglass insulation Specification: 1. Bubble diameter: 10, 20, 25, 35mm2. Bubble height: 3, 4, 6, 7, 8, 9, 15mm3. Thickness: 3, 4, 6, 7, 8, 9, 15mm4. Metallic aluminum/Aluminum thickness: 7 micron/12 micron5. Reflective: 95%~97%6. Packing: 1 roll/ PE bag(customized)7...