This is the RDX Balance Trainer: a versatile fitness tool that you can use for exercise, yoga, stretching, pilates, and a whole lot more. It comes with 2 resistance bands to work your body. It has an inflatable ring base that can hold up to 660lbs of weight. The top gym ball has anti-slip ridges.
The RDX Balance Trainer has a textured bottom and 7 anti-skid foam pads. You can find out more about it here.