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Gaiam Balance Disc Wobble Cushion Stability Core Trainer for Home or Office Desk Chair & Kids Alternative Classroom…
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Active seating: Place the disc on top of almost any chair or seat to add instability to strengthen your core while improving posture and sitting comfortably – great for office desk chairs
Versatile cushion: Use balance disc with a variety of strength and balance exercises, in or out of a chair, to increase core strength and balance$18.69