SandBells are free weight type training tools that are a great addition to any gym. These disc-shaped sand filled weight tools are wonderful for resistance training and for adding weight to virtually any cardio exercise as well.
SandBells are a cross between a sand bag and a dumbbell. Users can grip the SandBells at the sides or in the center and use them to do squats, increase weight on the back comfortably for stepped up plank exercises, or hold them during aerobics, Zumba, or any kind of cardiovascular exercise. Adding weight to cardio, of course, burns more fat and calories and turns the exercise into a strength building and cardio challenge to the system.