Retrospec Luna Exercise Ball eclipses the standards of a traditional total body workout. Strengthen tone and improve balance with Luna’s thick anti-burst body. Luna encourages comfortable effective exercise for every part of the body. Use Luna as an alternative to uncomfortable posture-damaging office chairs for use during yoga practices or as therapy for expectant mothers preparing for childbirth. Luna is expertly designed for optimizing back and core strengthening exercises and encourages a holistic approach to fitness and wellness.