Made of wood with a beautiful Hawaiian Hula Hula fabric inlay, these surfboard shaped height charts are a fun and stylish way to keep track of growing kids. Specs: 45" Long X 10" Wide X 1/2" Thick. The measurements on the chart start at 24" and are marked every 3" up to 63". Numerical inch demarcations are at 24", 36", 48", and 60". Easy to install. Instructions included.