Designed especially for therapeutic exercise, these bright round balls can be used in almost every developmental position. Made of thick molded vinyl, these balls are strong enough to support children and adults. Great for building muscle tone, stretching, low back suppport, and much more.

If using a therapy ball for sitting, fit person for a diameter that assures he or she can sit comfortably with feet flat on the floor with knees and hips flexed at 90 degrees.