Jobe Binar 2 Person Ski TubeJobe Binar 2 Person Ski Tube The Jobe Binar 2P is a 2 person multi position ski tube. Riders can sit upright with the soft top backrest or kneel for a more active ride, so the same tube covers both seating styles. Air chambers run through the deck for shock absorption, the soft top backrest and armrest guard add cushioning for longer sessions, and seven handles with neoprene knuckle guards plus two additional neoprene handles give two riders multiple