dreamturf mining sluice mat plastic astro mat gold catching mat gold hog matting alluvial gold mining carpet, the thickness is 24mm or 26mm thickness. dreamturf mining sluice mat plastic astro mat gold catching mat gold hog matting alluvial gold mining carpet, the size is 1x15 meter/roll. dreamturf mining sluice mat plastic astro mat gold catching mat gold hog matting alluvial gold mining carpet, the weight is 77kg/roll.