Material: wood; grips and wheels: plastic Size: height of handlebar: 15 inches; saddle height: 9 - 12 inches (variable) Care: Surface washable This is an excellent way to prepare children to ride on a typical two-wheeled bike. Our goal is to offer an environmentally-friendly, high quality balance bike that inspires children and their families to engage in an active, creative, and adventurous lifestyle. WARNING! Always wear protective equipment. Do not use in street traffic.