Dunlop Maxfli Ultra 100 S Black Known as a high-end golf ball, it is characterized by a high-pressure liquid in the center. Liquid Center: According to the Japanese description on the bottom of the package, the center of the high-end golf balls (Maxfli, Dunlop 65, Talisman) contained liquid under high pressure to improve the ball's flight. This is a rare product that is no longer in production. It is a considerably old product, thought to have been distributed in the late 1980s to early 1990s. ※This information is based on online sources. Although it is a new, unused item, it has been stored for a long time. The box shows signs of aging. How about it for your collection? Packing will be as compact as possible for shipping. Please check my profile.