Our magnetic therapy seat pad helps prevent help prevent muscle strain and tension due to sitting for long periods of time, in the workplace, car, or at home. If you already suffer from back pain the seat pad relieves discomfort by soothing away muscle strain and tension. If you sit at a desk all day or do a lot of driving, the seat pad is indispensable. It's uses special 2.5 lb. density, high-resiliency foam cushioning that provides ecellent support and durability. The seat pad uses large 4,300 gauss research grade ceramic magnets to produce a deep-penetrating, bio-north magnetic field. They have adjustable straps to securely hold them in place on any seat. The pads are covered with a plush, cream color shearling on top and a black faux suede on the back. The cover is machine washable and is zippered for easy removal.