This protective cover fits snugly over the display of your Garmin fishfinder to help protect the unit when not in use. Lightweight cover ensures your fishfinder is protected against damaging weather and UV-rays for longer lasting service. Snug, customized fit. Cover weighs 0.2 lbs. Designed to fit echoMAP 50dv, echoMAP 50s, GPSMAP 527, GPSMAP 527xs, GPSMAP 547, GPSMAP 547xs fishfinders.