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: 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)