Detailed Product Description Item NameOil and Water CalculatorModel NO.HJ-Y106Unit Weight54gStyleDesktopUnit Size11.5x6.7x1.8cmMaterialABS ... ,battery-operated, durable silica gel keys, compartment filled with oil and water, foot on the back,the color of product,liquid ... .Promotional gift using in commercial activity .3.Customized Logo ,design and size available !