This is a fun and challenging way to improve your balance and body control. Greatly strengthen core muscle groups (stomach & waist) as well as legs (thighs, hamstrings, hip, butt) and overall stability. Combining it with other exercises like weight training or calisthenics. Make your workout more fun and dynamic. Use your imagination and try to balance in different body positions. Maybe try some yoga poses, or different surfboarding, snowboarding, skateboarding or wakeboarding elements. Try this unique stylish balance circle and make sure how many different ways it can be used. Improve Balance, Activate your mind and body. Perfect for beginner and expert. CIRCLE DIAMETER SIZE: 42cm / 16.5 in