Meet "Mattie" the world’s perfect baby brush. Works on all types of hair. Feels amazing on babies' fine skin. Used by medical professionals in hospital neonatal units and now available to the public. Made of polypropylene, an inert plastic. It is landfill safe and recyclable, non-toxic, free of sharp edges, and dishwasher safe (top rack). Available in seven great colors that both parents and babies love. Useful as a sensory brush, "the high density of the bristles make it an ideal brush for the body" for the specific Patricia Wilbarger Protocol brushing program.* Ages: 0+ Size: 3.125" x 1.625" x 1.125" *Not affiliated with the PW program.