Tone Fitness walking weights allows you to tone and tighten your upper body. Walking with weights not only helps build stamina but it will also burn off extra calories. These cast-iron dumbbells are covered in neoprene and they are comfortable to hold even when hands are sweaty. The perfect addition to any light workout routine such as walking or light aerobic exercises. Warning: This product contains one or more phthalate chemicals known to the state of California to cause birth defects and other reproductive harm. Consumer may return the product for a full refund, including shipping cost for both receipt and return of the product within 15 days of his or her receipt.