If you are a "Licensed Professional" in the wellness or medical fields, such as a Chiropractor, Massage Therapist, RN, Acupuncturist, Dentist, a certified energetic healer, etc., you qualify for a $100 professional discount. That $100 is from the manufacturer and applied to the Professional Size Biomat. You simply select the Professional Biomat with the Professional Discount from our store. You must email or text us a copy of your license or certification before we can process your order.