Half-dome balls functions similar to both a vestibular board and ball. Ball can be inflated or deflated to adjust difficulty level. There are various models available.
Versatile balance trainer which can be used as a ball or board. You can inflate the ball to change instability; 25" diameter. Dimensions: 25" x 11" x 25" Weight: 17.0 lbs UPC: 714905026033 Notice: Typically ships in 1-2 days.
Therapy & Fitness Stairs & Balance Balance Training - 30-1901 - Bosu Home Balance Trainer
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