Made of lightweight polyester mesh, can be worn under other sheets or rugs. Open front with cross surcingles and fillet string. Over 80 unipolar magnets 2,000 GAUSS Designed to be used in the stable when your horse is at rest or whilst travelling. The rug works with all the major muscle groups as well as recognised stress points. It’s amazingly lightweight & has fantastic cooling properties.It’s machine washable and with each rug purchase you’ll receive a free handy bag to use in the washing machine.