Miners Moss Grey 12 x 36 Inch 10mm Thick Sluice Box ...
12 x 36 Inch Grey Miners Moss 10mm Thick Sluice Box Matting Gold Prospecting Our 12" x 36" Miner's Moss (Sluice Box Matting) in Grey. Mining moss is used to line the bottom of a sluice box to trap gold nuggets, flakes, and smaller particles.