Description:<br> The closed-cell elastic material has excellent properties such as softness, resistance to bending, <br>cold resistance, heat resistance, water resistance, low thermal conductivity, shock absorption and sound absorption.<br> The 3D printer hot bed can achieve the effect of reducing the heat and cold loss.<br> Can be used for aluminum substrate, PCB hot bed, silicone hot bed bottom<br> The temperature of the medium is in good condition from -50 °C to 150 °C.<br> Clean the bottom of the hot bed before use, and tear the adhesive back to the bottom of the hot bed.<br><br> Specification:<br> Material: aluminum foil + sponge<br> Size: 12"x12"x 0.3" inch X 2 pack<br><br> Package Includes:<br> 2Pcs Foil Self-adhesive Heat Insulation Cotton<br> Note:<br> The wrinkles on the surface of the product do not affect the use