The inflatable Course marking buoy is your perfect companion for water sports adventures, versatile enough to be used as an anchor buoy, swimming buoy, or slalom ski buoy. The buoy meets the official AWSA specifications for record-capable slalom water ski competitions. Made from high-quality PVC, it is lightweight, flexible, and designed in bright colors for maximum visibility. UV-resistant and suitable for saltwater, it can withstand tougher conditions. Easy to inflate thanks to the ball valve and its compact size (21 x 23 cm) makes it practical and flexible. With a volume of 4.8 liters and weighing only 270 g, it is the ideal companion on the water!.