
This stability ball features nodules that provide therapeutic massage during positioning. Incorporate it into traditional exercises or rehab for a massage effect. Use it for the seated walk, chest stretch, back stretch, and other applications. Burst resistant up to 500 lbs.; static weight limit of 1,000 lbs. Order by user's height (see chart). Deflates slowly if punctured. 3 lbs. Air pump sold separately. 55 cm=Red. 65 cm=Blue.