The ” RIVER ROBBER / BANK ROBBER ” is made of light weight wear-resistant green plastic. It is 16 inches wide and 48 inches long but weighs only 4 pounds. Shipping weight is 7 pounds. The riffles are designed with a two-step ramp which allows the sluice to recover fine gold without vibrating or the use a carpet liner. Clean lines and the lack of any removable riffles or carpet allow for very quick and thorough clean up. Made in Canada. This sluice will be shipped to you configured as a Bank Robber. The closed end of the Bank Robber Sluice can be cut out, creating the River Robber Sluice.