This protective cover fits snugly over the display of Garmin's echo 200, 500c, and 550c fishfinders to help protect them 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. Measures 8-1/2"L x 6-3/4"W x 1-1/4"H.