Treated Fire Blanket Wool Fire Blanket is 66" x 82" Blanket is treated with Dupont X-12 for fire retardancy. Meets &lt;a href="#_prod"&gt;NFPA 701&lt;/a&gt; standard. Fire Retardancy: Fire Retardant in Accordance with The Flammable Fabrics Act, CS 191-53. Commonly known as product number FP1100 or 1100FP or #FP1100 or 1100.