Feature: Made of high quality material, durable, safe and not easy to deform. White ruler with black scale, easy to use and measure. The arm ruler is used to measure the child's shoulders and head circumference. The measuring tape has a square hole in the head, which is convenient to hang when not in use, easy to place the card when measuring, and the reading is more accurate. Ideal head circumference measure for babies, babies, children. And it can be used to measure the circumference of various cylindrical objects, such as water cups, bottles, children's hats, etc. Specifications:Item Type: Head Measuring TapeMaterial: Plastic Size: Scale Length 60cm / 23.6in Color: White Quantity: 3 PiecesNote: No retail package. Transition: 1cm=10mm=0.39 inchPlease allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:3 x Measuring Tape Head(Other accessories demo in the picture are not included!)