Size - 18" x 6"Created By Occupational TherapistsHelps Release Muscular Pain by Enhancing Blood & Oxygen Flow & Elasticity to Muscle TissueHoney Comb Surface Delivers a Precision Massage Associated with Self-MyofascialRelease TherapyEnhances Gait & Functional IntegrityEnhances Muscle Performance Leading to Greater Balance & PowerGreat For Pilates, Yoga Sessions, and Fitness ClinicsSolid, Dense Material That Withstands Heavy Usage100% raw material, EVA foam, SGS passed