You are buying a 50" Aluminum Folding Sluice Box. Folds down to 15". 9-1/4" wide. Walls 2-1/2" 13-1/4" Flange. It comes with carpet and miner moss. PLUS A FREE POCKET SLUICE BOX 12"x 3.5"x 1.5" & Digiweigh Pocket Scale 1000g x 0.1g