Home / Safety Equipment / Welding Blankets / Fiberblass Welding Blanket. 4 feet x 6 feet. Fiberblass Welding Blanket. 4 feet x 6 feet. $239.05 Part Number: 12398 Our Weld-Stop 640 Series blanket is double layered and extra durable. Fiberblass Welding Blanket. 4 feet x 6 feet. quantity Add to cart UPC: 682488123985 Category: Welding Blankets Description Description Made of 48 ounce fiberglass. For more information, go to P65warnings.CA.gov Related products Fiberblass Welding Blanket. 6 feet x 6 feet. $398.52 Part Number: 12399Add to Cart Weld-Stop Welding Blanket . Size 6′ x 6′. $219.33 Part Number: 12396Add to Cart