YOU ARE BUYING 25 10” Black Plastic Gold Pan with Two Different Types of Riffles. Dual Riffles: (1) 2 x 1/4” Deep Riffles (2) Micro Riffles Diameter : 10" Color : Black Why Choose Plastic Gold Pan over Traditional Metal Pans? Plastic does not rust or corrode. The shallow and deep riffles trap the gold better, making your pan as effective as a sluice box. Plastic weighs a lot less than the metal pans. The color stays true in the plastic pan so the gold flakes are easier to see. The 1/8-inch deep round base optimizes your gold trapping ability