This is a 24" x 24" x 2" piece of Cerablanket, a ceramic insulating blanket rated to 2400 degrees and is 8# density. It comes rolled in heavy plastic and in perfect condition. It is useful for certain wood stoves and/or fireplace inserts that require 2 inch insulation. It is also excellent for kilns and bead making and many other uses. It is temperature rated at 2400 degrees. It's made in the USA by Morgan Ceramics, the best name in ceramic fiber. A CM-Ceramics (Reg TM) Brand Knife is included. Ceramic fiber is tough on blades so this will save yours. Morgan Ceramics Go with the best name brand in the Ceramics industry, not no-name or white labeled/renamed material that is often not a true bargain. Inspected and shipped to you for free by Amazon.