Protect your carpet or wood flooring from sparks and embers. The faces of these rugs are 100% woven fiberglass and capable of resisting heat to approximately 1,500°F. Tough, polyester-bound taping along the edges adds durability. Vinyl backing keeps them stationary and free from bunching. Approximately 1/4" thick. Vacuum cleaner friendly. Meet CPSC flammability standard FF 1-70. Made in USA.