HM&FC 1"x 12"x 24" Ceramic Fiber Insulation Blanket 2400F 2300F (1260C) Continuous Use Temperature Non-reactive with moisture (unlike mineral wool and vermiculite) Excellent high temperature insulator Economical 2 square feet size 24" X 12" X 1" Perfect for home foundries, forges, kilns, blacksmiths, knife making, glass bead making and many more