Farnam, SuperMask II Fly Mask with EarsX-Large, 1 CountProduct Description A fly mask that really works and stays on the horse. Patented design protects eyes from fly irritation, disease, flying dust, dirt and debris. Use to speed healing of eye injuries, as a sunscreen and to stop spread of summer sores by Habronema larvae. No obstruction of vision unique see through netting lets horse see clearly. Now with more fabric to protect horse is face from biting and nuisance insect pests. Super durable double