Featuring a universal design that can be cut to fit most GPS brands, including Garmin, Magellan, and TomTom, plus a variety of other devices. Highly transparent Pro-Tect Screen Protector is virtually invisible and won't affect touch screen sensitivity. Also works on: GPS, iPod, iPhone, Sandisk, Treo, PDA, PSP, Cell Phone, Blackberry, Garmin, Nuvi, Magellan, TomTom, PDA, PSP. Type: GPS Cases & Protectors Specifications: Highly Transparent - Practically Invisible Protects the most important part of your GPS from scratches 4" x 3" Maximum screen coverage Convenient grid design for accurate measuring