Alexia Meditation Seat Ergonimically Correct for The Human Physiology Zen Yoga Ergonomic Chair Foam Cushion Home or Office Body Supports: Lower Back Column  Ischial Junction Node  knees  instep  feet Seat Support: Internal Metallic Skeleton Structured Cushion: Neoprene foam - Total weight  Aprox. 15.00 lbs Seat Dimensions: L 26 x W 32 1/2 x H 11 . Cleaning and Product Caring: Only Leather Cleaning Products or Professional Leather Service.Cushion Cover: Fabric (Care & Cleaning, dry cleaning product or Dry Ceaning Professional Service)