If you are going to give soap as a gift or sell it in a local store, you want it looking professional with clear straight edges. Cutting a loaf is trickier than you might think! With our soap cutter you are guaranteed to get a perfect edge every time. Simply place the loaf against the edge of the box and slide the cutter down through the soap. A mark can be made on the wood to ensure consistency in the thicknes of the bars. It comes with both a straight edge cutter and a crinkle (wavy) cutter. Box inside dimensions: W 4-1/2" X L 16" X H 3"