Gaiam Balance Disc Wobble Cushion Stability Core Trainer for Home or Office Desk Chair & Kids Alternative Classroom…

Amazon.com Price: $29.57 (as of 01/03/2023 02:30 PST- Details)

Make sure this fits by entering your model number.
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