3M 20129 Fiberglass Mat, White White

Bondo® fiberglass mat consists of interlocking strands of fiberglass to repair holes and gaps in jobs of any size from large to small. Use fiberglass mat on anything from automobiles and boats to tubs, showers, sinks, pools, hot tubs and more. Versatile repair material works on most any surface, including metal, fiberglass and wood.