All Polar Bear Coolers are made the same. There is only one style. It comes in 4 different sizes and a number of different colors and may be called a boat cooler or golf cooler, but they are all made the same and they all meet the following characteristics.
Heavy duty luggage grade 1000 denier nylon outer shell.
Specialized open cell foam air trap design.
Leak proof / Sweat proof Dura-Temp liner.
Heavy duty #8 weatherized rubber-coated zipper.
Padded shoulder strap. (N/A on 6 pack).
Side release buckles, heavy duty built to last. (N/A on 6 pack)
Side pocket with rubber coated zipper.
Velcro wrap around handle.
Zipper pull-tab / bottle opener.
Will keep ice for at least 24 hours in 100-degree heat.