Kaowool 2600 degree Fahrenheit blanket insulation. Also known as cerachem 8#1" . This is refractory blanket insulation used to create your own forge . It's 1 inch thick by 24 inches wide and sold by the linear foot.( i.e.: two square feet per purchased foot)
you would typically use 6 feet to do a double wrap of insulation in a 12" diameter cylindrical forge or kiln. Recommended to be coated with rigidizer after installation .