Trideer Yoga Ball for Pregnancy Office Ball Chair- Exercise Ball for Birthing, Labor, Stretching & Core Workout - Anti-Burst, Slip-Resistant for Home Gym, Flexible Seating & Physical Therapy

< b >Q: Why is my yoga ball smaller than expected?< /b >< br > A: Please refer to the inflation instructions. After the initial inflation, let the ball sit undisturbed for 48 hours, and then inflate i...