Package Includes Pack of 1 MARINE CITY Tube Type Radar Reflector for Sailboats 2 x 23”, 25 SQF Reflective Area. Dimensions: Length: 23 Inch (586.0 mm) Diameter: 2 Inch (103.0 mm). It is designed to complement your active radar reflector on your sailboat, lightweight, and compact, the best performance is achieved when mounted in a vertical position, as high as possible over the deck. Aluminum elements crossed at several 90-degree angles in a plastic container, very high reflecting rate, practical, highly compact, reflecting surface guaranteed up to 2,5 nautical miles, super compact radar reflector w/snap folding base, mounting bracket base can swivel. Made up of aluminum elements that have a very high reflecting rate, suitable for powerboats, and coastal boating, easy to remove when not in use.