30cm Professional Child and adult Foot Measuring Gauge Shoe Size Calculator Fit Shoe Measure Tool Sizer (Green) 1.Easy use and accurate measurement 2.Measure the entire family's feet, in the comfort of your home!In case the buy the wrong size shoes. 3.Buy shoes should be in the childs feet long to choose corresponding long shoes. 4.Easily measure your family from home 5.Use it to get correct size for your child and family