The cover is non-allergenic

or just about any surface

pretend play

milk powder

New Gaiam Yoga Ball Inflatable Stability Ring Exercise Ball Holder - Turn Your Balance Ball into Office Desk Ball Chair on_auction The cover is non-allergenicNew Gaiam Yoga Ball Inflatable Stability Ring Exercise Ball Holder Turn Your Balance Ball into Office Desk Ball Chair The Gaia Balance Ball Inflatable Stability Ball Ring is designed for use with your balance ball to keep ball from rolling or sliding, while you are seated or for storage. Provides a stable position for you and your balance ball while seated at your desk or a table. Ring measures 24 inches in diameter and will fit securely around the