Nav-Mat Portable GPS Dash Mount. Weighted, Anti-Skid Base. Conforms to your dash. No tools required. Holds up to several pounds. Easily view your GPS while driving. Uses the stock GPS windshield mount. Portable and stow-able, keep out of view - Anti-Theft!. The Nav-Mat is the most convenient mounting accessory for your portable GPS today. Using the physics of weight distribution along with high tech anti-skid materials, it creates a solid mounting base while turning your windshield mounted GPS into a dash mounted GPS.. The Nav-Mat conforms to the contours of your dashboard, allowing it to work on uneven or textured surfaces while the anti-skid underside keeps the device from sliding. Designed to work with devices up to several pounds using the stock windshield suction mount sold with most popular GPS units, the Nav-Mat requires no tools for installation and can easily be moved from vehicle to vehicle or put out of sight when leaving the vehicle.. Also works well with other Bracketron W