The World of Watersports Sister Ruby tube features continuous S-shaped chariot riser that allows for interactive seating for two riders. This seating arrangement also makes the Ruby ideal as a floating lounge. Three-point tow system construction includes side and front tow points for multiple riding positions. Ruby towable is constructed with heavy-duty full nylon cover and PVC bladder. Double webbing foam handles with EVA foam knuckle guards. Speed valve offers fast inflation/deflation. EZ tow connector. 340-lb. weight capacity. 90" x 70" x 24".