PROVEN: botthms Half Balance Ball Trainer provides cardio, muscular strength, flexibility and endurance training in unique, challenging and highly effective workouts. • IMPROVE YOUR HEALTH: Challenging and fun, the Half Balance Trainer gives a whole new meaning to "moving with control" as you work out on an unstable, dynamic surface • BUILT TO LAST: The botthms Half Balance Ball Trainer has been tested to last 10x the leading generic balance trainer. Maximum User Weight: 130kg • RESISTANCE BANDS: High-density TPR resistance bands enhance arm exercise for additional upper body toning, with the comfy grip handles to reduce vibration and hand blister, it gives a more effective and progressive system of training • LIMITLESS WORKOUTS: Add a new dimension to exercises like sit-ups, push-ups, jump squats, ball lunges, reverse extension, pilates and yoga poses - upgrade nearly any workout! Effectively build your balance, flexibility, and overall pillar strength.