Loading... Please wait...SQUARE LARGE TRAY SOAP MOLD: Tray Dimensions: 8 x 16 x 1 3/8 / Cavities Per Tray: 18 / Ounces Per Bar: 5 each / Bar Dimensions: 2.75 x 2.75 x 1 3/8 Mold is made out of thicker, more durable plastic. It will withstand the 5.75 pounds of soap it takes to make the whole tray.