Bartlett U Inflatable Pontoon 8.5Mx4MBartlett U Inflatable Pontoon 8. 5Mx4M Designed in the shape of a U the Bartlett 8. 5M U Pontoon allows you to easily park a watercraft quickly and easily in the centre of the U. It also allows parking stations for another 2 boats or water toys on either side of the U. It is the only Bartlett floating dock model that is designed for an open bow pickle fork craft, allowing access on and off from the bow, and both sides of a boat. The Bartlett 8. 5M U