[Product Information]

• Super soft vinyl disc 14in. One side is smooth and the other side knobbed. Perfect for lower back, pelvis, balance and posture exercises. Can be inflated or deflated from 1in-2.5in.
• Super soft vinyl disc 14in. One side is smooth and the other side knobbed. Perfect for lower back, pelvis, balance and posture exercises. Can be inflated or deflated from 1in-2.5in.