Safe use: Baby height ruler is made of non-toxic, skin-friendly materials and conforms to ASTM standards, so there is no need to worry about neonatal use Washable: Toddlers height mat is skin-friendly, washable, foldable, and can accurately measure the length of babies and toddlers Easy to use: the top of infant height ruler is printed with instructions in graphic form. Fixed head and sliding foot positioner make baby measurement easy Applicable ratio: Baby measuring mat is measured in inches and centimeters, and the measuring range: 10-99cm, suitable for babies and toddlers Detect growth progress: Infantometer height helps to detect the growth progress of the baby, suitable for home or professional environments