Boatmates GPS-Cell Phone Caddy for Boats Compact organizer measuring 6-1/2W x 3-1/4D x 4-1/2H holds most hand-held GPS units, and cell phones. Can be mounted vertically, or on any flat, smooth surface, using the Super Suction cups, included or mount with screws. These injection molded organizers can keep your boat ship shape, and provide a place for those items that are always needed. They are heavy weight, marine grade resin construction, for years of use. The Super Suction cups stay securely fastened, even in the roughest conditions.