Bondo Fiberglass Mat by 3M

Bondo Fiberglass Mat is used to repair small to large holes, cracks or gouges in any fiberglass, wood, metal or concrete surfaces. Flexible mat allows it to bend and contour to different surfaces and extra thickness to make a stronger repair. Ideal for interior or exterior home use.  Made from intertwined strands of fiberglass, each mat measures 8 square feet and 0.30mm thick.  To be used with Bondo Fiberglass Resin.