TOGU 30-4271B Dynair 웨지, 플러스 - 38.1cm x 40.64cm, 40.6cm 높이, 40.6cm 너비, 38.1cm 길이, 블루

["German-made air filled wedge is designed for active dynamic sitting and balance training","Space saving alternative to an exercise ball for back and balance training","Relieve back pain and improve posture when used while sitting","Use water home or in the office to improve balance and strengthen spinal muscles","Supports a 660 lb. weight capacity"]