100% Flame Retardent durable and general purpose welding blanket to prevent property damages from sparks and spatter HEAVY DUTY:19.8 oz./ sq.yd. fiberglass to provide excellent thermal protection PREMIUM WEAVING PATTERN:30 x 30 per square inch for added durability and stands up to long term repeated use WORKING TEMPERATURE: up to 1000°F (537°C) REINFORCED HEM:3/8” I.D. brass grommets every 11” for secure and easy hanging Size: 1M*1M/1.2M*1.8M/1.5M*1.5M/1.8M*1.8M/2M*2M/3M*3M/4M*4M Thickness: 1mm Package Lncluded: 1 * Welding Blanket .