The Reflexology Foot Mat Massager uses ancient foot reflexology treatment to help temporarily improve blood circulation and nerve sensation. Reflexologists believe that different areas of your feet and hands correspond to other parts of your body. Reflexology massaging can be beneficial to the health of the entire body. Instruction: To relieve pressure or pain, stand or step in place on the mat for 2-3 minutes. Once comfortable, you may work up to 15-30 minutes. Mat can be used standing or sitting. Material: The foot mat is made with Thermoplastic polyurethane (TPU). It's flexible, light weight, durable and portable. Can be folded into half or roll up, it's portable and travel friendly. Just tuck it inside a gym bag or luggage and you are good to go.