The BLACK SmartBells 12 lbs is made of ductile iron and coated with high-grade PVC. Included with  the SmartBells 12 lb weight set  is "The Basics" DVD and "Core & Functional" DVD both featuring leading fitness trainer,Lisa Wheeler, a wall chart illustrating "The 10 Basic SmartBells Movements" and a stand on which you may display your SmartBells 12 lbs.