Balance Exerciser Circular Balance Board and Platform with Inflatable Bladder for Use with Standing Work Desks Unique Design Patent pending design allows adjustable stability and 360 degrees of rotation with up to 20 degrees of deflection. Easy to Use Simply attach an air pump to the bladder valve and inflate to the desired level of stability. Proven Health Benefits Research study confirms increased metabolism, improved balance, and improved cognitive function for anyone from kids to adults. More Informationrand@licensingcg.com