Reebok Adjustable Weighted Belt
"Add extra resistance to every workout with Reebok's Weighted Belt. Strap the belt around your waist to add intensity to almost any exercise - steps, lunges, squats, walking, free weights, etc. The sand-filled shell contours comfortably to your body. Adjustable strap secures it snugly to your waist without shifting. A 12-page exercise guide is also included to jumpstart your workout!  Available in 6lb (Blue) and 9lb (Black). "