The Swarovski Bino Guard Pro for FieldPro Binoculars is designed to fold over the oculars to protect the eyepieces against rain, snow, dirt, dust and other contaminents. It comes equipped with a transparent pocket to store your personal ballistic information, a cleaning cloth as well as other compact accessories, giving you access to the essentials you need at critical times. Suitable for NL Pure, EL and EL Range models.