At 12" total length, this miniature aluminum sluice box is the most portable of all. Total dimensions: 12" long, 3.5" wide, 1.5" wall height. Includes expanded metal over miners moss or v-trap matting (both choices included. Ideal for on-the-go prospecting or at-home cleanup and gold fines retrieval. Born in the rivers and mountains surrounding historic Keyesville California, Sluice Fox exists to bring portability and ease of use to every prospector, backpacker, and enthusiast in search of a durable and expandable sluice box solution.