A foot is another heart, It has the key of health !</br>add a natural jade to artificial gravel , quality : natural jade powder,bio ceramics,PVC + Magnetic</br>Relax the nerve ache, ease tiredness of the muscle,Remove toxin, keep fit</br>Magnetic therapy</br>Newly developed indoor, office, kitchen acupressure and acupuncture meridians as acupressure Health Mat Health Mat is a superior effect.</br></br>Product Description</br></br><b>Master Foot Massage Mat</b> <p> <b>A foot is another heart, It has the key of health!</b></p> <p> quality : natural jade powder,bio ceramics,PVC + Magnetic<br /> Size : 40cm (15.74") x 29cm (11.41") <br /> color : blue <br /> weight : 390g<br /> <b>This jade gravel won't come off easily.</b><br /> <b>The product is excellent and durable.</b></p></br><br/>http://www.amazon.com/gp/product/B00G8GMOQI