The Soft Seat Hearth Pad protects children from falls and creates extra seating on your hearth, for family and friends. This thick foam pad measures 13.5" deep and attaches to the top of your hearth with heavy duty double sided tape. No need to remove it to build a fire, because it is flame resistant. No added chemicals. Naturally flame retardant materials. MADE IN THE USA! What a great peace of mind.