This 4 ft x 6 ft Welding blanket has 18 ounce Fabric, 1000 degree rated, and has dual Grommets at every corner, and spaced 18" on the side.  The fiberglass welding blanket is great for protecting all types of welding projects.  The fiberglass welding blanket can be used to cover engines, glass, equipment etc.  The fiberglass welding blankets are used by all types of fabricators.