New Version: it have 8 (96cm) section parts, it can be quickly assembled and dissembled, you can also loss pieces, 6 (73cm) / 7 (84cm) pieces is suitable for teenagers.Wave design with thick foam to protect the waist to massage waist to lose weight, make thin waist, fitness exercise, aerobic exercise.8 sections total 0.9kg, 7 sections total 0.78kg, 6 sections total 0.68kg.Use the Sports Circle for 10 minutes is the same effect as swimming for 1 hour, jogging for 10 minutes or do yoga for 35 minutes, it burns 30000 calories.During the process of movement of the waist, back, leg, will remove and make combustion for the redundant adipose, and also make the pectoralis full of elastic and strong, make bosom more strong plump. Produktbeschreibung Benefits: Enhances cardio workouts Improves posture and circulation Targeted workout for core muscles Great for adults to efficiently trim waistlines and tone core musclesSpecification: 8 joints diameter: 96cm weight: 0.9kg Material: ABS + sponge Installation way: Press the button and align the pipe, then fasten it. Pull and strench both sides to make sure the installation is good. So easy!