Pull on stretch fly mask to protect horse's eyes and ears from flies, insects and UV rays: The Stretch Fly Mask With Ears is a lightweight, soft and flexible stretch mask with raised pleated see through mesh screen over each eye for unobstructed vision and soft mesh ears to promote airflow. The stretch fabric offers a secure fit around the horse's head preventing insects from entering the mask. 98%+ UV Block, excludes mesh areas. Mask: 82% nylon 18% spandex. Mesh: 100% nylon. | WeatherBeeta Comfitec Stretch Fly Mask with Ears | Size Large