This max 50lb bag packs a powerful punch! (Sand) Its portability allows it to go anywhere you go. It has the versatility to transform into a Sandbell, Kettlebell, weight yoke, depending on your routine. Live near a beach? Perfect. We use it on the beach to perform a variety of total body movements. Outdoor fitness lover? Living life on the go? If you need a new fitness tool or a tool to supplement your current routine. Order yours today.