Polyform - Water Ski Slalom Buoy - 8" x 8.5" - Yellow - WS-1-YELLOW. Designed to compliment our S-1 Watersport Buoy, the WS-1 Slalom Buoy gives Polyform a complete watersports package offering to our customers. Made of high quality PVC and featuring a strong ropehold, this buoy is built to last for a long time. The WS-1 meets American Waterski Association specifications for record capability tournaments. Add in the S-1's for use as boat path markers and you've got the ultimate in course markers.. Features:. Meets official American Waterski Association specifications for record capability tournaments. Multiple colors to mark both ski and boat courses. High quality PVC construction. Durable ropehold. Size - 8" x 8.5". Color - Yellow. Eye Diameter: 3/8 in. Circumference: 28.3". Buoyancy Ratings: 1.3 lbs