Heavy-duty and soft materials this kettle bell is constructed of soft materials that prevent damages and injuries from accidental drops. It is a reliable and durable fitness kettle bell training engages the entire body - particularly core muscles - for a sculpted, stable and toned physique Construction this kettle bell is filled with cement and coated with vinyl, offering a more economical choice to cast iron kettle bells Features - generous wide opening handle for a comfortable grip and a flat bottom to prevent the kettle bell from rocking Functional - perfect for swings, dead lifts, squats, get-ups, snatches and other athletic or cross training workouts.