The adaptable S Series buoy is an excellent choice for guiding boats through the course during ski time. These buoys also serve multipurpose applications for use as a fender or mooring buoy for small boats and jet skis. Buoy size: 6" x 15" Its compact size is perfect when storage space is limited. The S Series' elongated design allows it so sit higher in the water than an ordinary round buoy. Replace the "bleach bottle" when small pot and trap fishing with a durable, distinctly visible marker buoy. Water sport associations and competition enthusiasts combine the S-1 "boat guide" with the Polyform WS-1 Slalom Buoy as a complete course-marker package. For high-performance or leisure water sports, choose the versatile S Series S-1 for your small fender and buoy needs.