Billiard table manufacturers have produced convertible billiard tables (in the broad sense) that double as dining tables or as table tennis, foosball, or air hockey, tables, with removable hard tops. Home pool tables, which often lack a ball-return system, are commonly either 4 × 8 ft or 3.5 × 7 ft models, a medium between 3 × 6 ft. bar/pub tables and 4.5 × 9 ft tournament-size models. Low-end tables tend toward the smaller range, and may have MDF or wood beds as an alternative to slate; those with light-weight beds may be foldable for storage, as with table tennis. Miniature tables
World Pool-Billiard Association a country's national federation. The chart and table shows the WPA's members : , the WPA board of directors are: World Pool-Billiard Association The World Pool-Billiard Association (WPA) is the international governing body for pool (pocket billiards). It was formed in 1987, and was initially headed by a provisional board of directors consisting of representatives from Japan, the United States, Sweden, and Germany. , the WPA president is Ian Anderson of Australia, and the organization is headquartered in Sydney. It is an associate of the World Confederation of Billiards Sports (WCBS), the international umbrella organization that encompasses the major cue