Weight Ring 2-in-1 Kettlebell & Dumbbell, cast iron+PVC coating, Yoga Exercise, Aerobics, Core Training, 4 in a set (0.33LB + 5.5LB + 7.5LB + 10LB). Power Weight Ring Sets: There 4 different weight of weight ring for you to choose doing exercise. Perfect for doing exercise at home and on travel, and save space. Multi Exercise Type: A wide range of exercises, including yoga, aerobics, squats, and core training. You can do lift up and down, front raise, curl and rotate to exercise your arms and shoulders. Material: The power dumbbell ring made of cast iron+PVC coating, polygon design that anti slip when doing exercise. 4 Different Weight Gears: Suitable for various weight sports, the weight is 0.33lbs, 5.5lbs, 7.5lbs, 10lbs. The most heavy one you can do pull lift to exercise core. Candy Color Design: The candy color which could be as a decoration when leave unused, it won't be conspicuous or abrupt.