<b>Material: Obturator elastic material<br><br> Package includes: 2 x 12 inch Hotbed Thermal Pad Insulation Foam<br><br> Installation Notices:</b><br> 1. Please clean the surface you want to paste.<br> 2. Make insulation materials and sheet metal firm fit, and play best adhesive, damping performance<br> 3. Do not cover the chassis wiring or air holes when you installation<br> 4. Appropriate use of adhesive tape will strengthen connections effect<br> 5. Paste Aluminum Soundproof/Damping Plate,you could heat with a hair dryer to make it soft, then compacted by hand. If the room temperature is below 5 degrees Celsius, first with sun lamp heating it until soft. Then remove the wax paper and paste it<br> 6. A successful installation process is best not to repeat tear paste, paste effect won't be damaged<br> 7. The extra insulation can be pasted in some hidden place.