Disc O Sit Back Strengthener Disc'O'Sit Balance Cushion

1.One Adult Disc O' Sit : Recommended weight: max. 120 kg (270 lbs) / Tested load capacity: max. 200 kg (440 lbs). 2.Originally conceived as a sitting cushion, our Disc'o'Sit has established itself as a fitness- and therapy tool as well. One side is smooth. The other side is raised nubs. 3.Through inflation, you can easily adjust the required stability level of your seat 4.Size: 15 in - Each