SunShade & Night Anti Reflection Visor For 6 Inch 6'' GPS Garmin Drive DriveSmart 60LM 60LMT Drive 61 61LM RV 660LMT Nuvi 68 67 2639LMT 2639 Fleet 670 660 TomTom Via 1625 Go 62 Trucker 620 Sun Shade Easy to install and remove - Shade mounts onto the front of GPS and straps stretch around the back to hold firmly in place Makes viewing your sat nav navigation screen easier in bright sunlight (No Glare) Eliminates reflection on windshield when diving at night The product has perfect dimensions for the 6'' GPS stated in the title, this is the only true 6'' screen shade we know of. 7'' shades are more common but have a loose fit on these devices. The strap fitting solution is superior to other clip types available as it allows the shade to stay in place during storage and definitely won't fall off during driving.