Optimal balance and coordination training! Combines both exercise and balance skills to increase strength, stamina, differentiation, and coordination. Constructed of soft specialty foam that will not absorb water. Foam is Sanitized™ to inhibit the growth of fungus/microbes and extend product life. Vary the challenge of the "wobble effect" by stacking two balance pads or on a mat. 16”x 20” Airex-R