Disc "O" Sit Junior from Gymnic is a round inflatable cushion used by countless trainers and therapists around the world. May be used while sitting, standing or lying on the floor, the dome shape and unevenness of the cushion add an element of instability, maximizing effort and enhancing results.

Many also use multiple cushions when doing squats, lunges or push ups for an even greater challenge. The Disc "O" Sit Balance Cushion is professional-quality and made from tough, durable, latex-free PVC vinyl that is virtually indestructible. For ages 3 years and above.

Comapre on amazon for $35.00 or more.