3D Printer Heated Bed Self adhesive Heat Insulation Cotton Waterproof (200 * 200mm) Note: Non-serious wrinkles on the surface of the product do not affect function. This product is a closed-cell elastic material, which has excellent properties such as softness, resistance to bending, cold resistance, heat resistance, water resistance, low thermal conductivity, shock absorption and sound absorption. Applied to the hot bed of 3D printer, it can reduce the cold and heat loss. Can be used for 220*220 / 214*214 / 200*200mm aluminum substrates, PCB hot bed or silicone hot bed bottom. Features: 1. Insulation cotton can reduce the heat and cooling loss of the 3D printer hot bed. 2. Closed-cell elastic materials have excellent properties such as softness, bending resistance, cold resistance, heat resistance, water resistance, low thermal conductivity, shock absorption and sound absorption. 3. Can be used for aluminum substrate, PCB hot bed, silicone hot bed bottom. 4. The temperature of the medium is in the good condition of -50 ° C to 150 ° C. 5. Clean the bottom of the hot bed before use and then peel the adhesive back to the bottom of the hot bed. Specification:  Material: insulation cotton Color: silver Weight: approx. 30-68g Package list: 1 * Heated Bed Cotton