6″ x 36″ Fully customizable, these mats can be configured any way you want them. From low profiles for fine gold to aggressive mats with riffles for course gold, you have every option. Each mat is double sided, two for the price of one. They can be turned over in seconds if you need to use the opposite profile. 2 different mats, for 4 profiles are available. Limitless possibilities Add our optional slide in rubber riffle in seconds too, or remove it just as quicky Custom make any riffle design you like and simply attach it using the T Slot in the mat connector. Add or remove riffles right at the river, once again in a few seconds. The mats simple lock togther using the included aluminum connector. Change them around in minutes, no tape, no glue. Assemble our mats to suit the gold you are sluicing. Adapt quickly and easily to any gold mining situation.