SEA-DOO THREE-PERSON SIT-ON-TOP TUBE 79" X 88" - B107120000The Sea Doo three person sit on top towable tube is built for families and friend groups who want a comfortable, stable ride behind a PWC or boat with three people on board at once. It's wide enough for three adults to sit upright with proper back support, which makes it a different experience than cramming onto a basic round tube. The foam sitting surface and knuckle guard handles make even a long afternoon on the water feel smooth and easy on your