Equisafety Mercury Wrap Around Rug Yellow. The Equisafety Mercury Wrap Around Rug is an advanced reflective exercise sheet ideal for increasing visibility when riding in low visibility and dark conditions. The Equisafety Mercury Wraparound Rug is a lightweight, 100% waterproof horse rug that features Equisafetys vapour technology that offers ultimate breath-ability. The Rug is made with a reflective soft touch fabric for optimum comfort and features an adjustable and removable neck band, a tail guard, leg straps and a girth vent. The Equisafety Mercury Wraparound Rug is made with an advanced reflective fabric created from millions of glass balls that shine and illuminates in headlights and torch light and gives the illusion of pearlesence in sunlight. The Wraparound Rug also features a strip of high visibility fabric along the chest and flank for added visibility.