3M Bondo 499 FIBERGLASS CLOTH 31” x 38” 8 ft 2 (0.74 m 2) for Fiberglass Resin For use with Bondo and other repair resins where thicker repairs are required. Repairs cars, boats, campers, trucks, snowmobiles, tanks, etc. Can use to bridge open areas and to make panels. Ideal for thicker repairs. Will not rust or rot. Dimension: 31” x 38” = 8 square feet Thinner and tighter weave than Bondo 488 Fiberglass Mat, ie 5.5 oz vs 8 oz /8 square feet Easier to work with than Bondo 488 Fiberglass Mat when applying resin as fibers stay together better. MPN: 499 UPC: 076308004996 USA domestic shipments are shipped USPS First Class Mail with Tracking International shipments are shipped USPS First Class International Mail with Tracking