Welding Blanket, Protective Material Fiberglass, Protective Material Coating Vermiculite, Maximum Temperature 1,200 Degrees F, Overall Length 8 ft, Overall Width 8 ft, Protective Material Color Tan, Protective Material Weight 32 oz/sq yd, Protective Material Thickness 0.08 in, Grommet Location Two on Each Corner, Resistance Properties Abrasion , Standards FM Approved, Duty Rating Heavy, Grommet Spacing 24 in, Series 387, Fastener Type Grommets, Features Not Recommended for Stress Relief