Prospector Aluminum Sluice Box 1.5 x 3.5 x 12 in. (Standard) Gold Prospecting | Pocket Size UAAC Measures 3.5in x 1.5in x 12in, Light weight / compact design Removable Ribbed V-mat for closer gold inspection Removable Screen Mesh for more flexability 100% Stainless hardware Suitable for educational and kids programs