Keeps rider and horse safe in low light conditions.Flash horse harness is made of nylon webbing with good quality karabiners,it is untearable and heary-duty,is good for night riders,can fit your horse perfectly by adjustable length.Flashing Chest/Tail Harness Visible over 300 feet Waterproof switch box 10,000 hour LED life Fully adjustable Non rusting hardware Supper reflective stripe maximizes visibility.