SHOE MEASUREMENT :The foot measurement device and adults is applicable to Man Woman and Youth,US standard shoe size.It's a growth chart and a foot measuring tool,saving time. NEVER WRONG SIZE SHOE AGAIN: Foot measuring device will make you never buy the wrong size shoes. You can skip the and the lines by buying shoes online. CONVENIENT TO USE: Put your feet in straight and relaxing state on the measuring device, make that the heel is against the bottom of the measurement lines, the actual feet length is the horizontal sizing line your toe contact. HIGH QUALITY MATERIAL: The foot measurement device is made of Premium ABS.Lightweight, unbreakable and recycled material for durability. The shoe sizer is safe for your kids. Colour: black Material: ABS Size: 11x34x3.5cm Package Contents: 1 * Foot measuring device Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.