300 X 300mm (approx. 12" X 12") 120V 750W, KEENOVO Universal Flexible Silicone Heater Mat/Pad, 3D Printer Heated Bed Heating Element Wonderful silicone heater for your 3D printer heat-bed. Fast Heating with 5.2W per square inch. surface mount NTC 100K thermistor ( R-T table available) 3M adhesive backing offers excellent and easy mounting. Versatile and may be used in many other applications. Item Location: Shanghai, China