I have this pad in both the regular and large size. The large would be better named wide, as they are the same length (78 inches) and the regular is a rather slim 20 inches wide, and the large a more expansive 25 inches typical of the wide range of 25-26 inches for wide sleeping pads. The problem with these sleeping pads is lack of quality control at Eureka! (Johnson Camping), at least as far as their sleeping pads go. These pads the Eureka! SINGLIS UL regular, the Eureka! SINGLIS UL Large, the Eureka SINGLIS Lite, the Eureka SINGLIS ST are all basically the same. Single chamber air pads, with a brass valve, mounted into a nylon plastic or epoxy plastic resin valve seat block, glued to the air pad canvas. They very in color, in a few cases in fabric or weight. They ALL have the same plastic valve seat mount block in one corner, and they all use the same brass valve twist closure. Some have a open foam inflater built into the pad at the other end. I have had no problems with the inflators other than that they are pretty slow, but otherwise they are fine. The problem with these bags is that the brass twist valves can be double threaded, making them impossible to close (and then the pad does not hold air). This happened on a pad straight from the factory, on its first use. The same pad ALSO had a defective glue job on the pad canvas to the plastic valve mount block. The lack of glue meant that there were 3 openings (wide ones, not pin leaks) at the valve seat ...
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