The 10 lb. GoFit Contour kettlebell with DVD has an ergonomic design that fits your wrist and forearm for greater comfort during your workout. Kettlebell is made of solid cast iron that is dipped in vinyl for a thick, durable rubberized coating; powder-coated handle provides a sure grip that is easy on the hands. 10 lb. kettlebell is recommended for those who are just getting started with an exercise program. Includes a 30 min. training DVD with Bob Harper, co-host of the NBC show.