The California State Fair Extra Virgin Olive Oil Competition celebrates the olive-growing and olive oil producing industries in California. This competition is open to Extra Virgin and Flavored Olive Oils made from 100% olives which are grown, pressed and packaged in California. Entry Size: Submit for each entry four identical bottles of 250 ml to 500 ml (send five bottles if less than 250 ml) Two bottles are reserved for judging, one is used for display, and any remaining bottles are used for tasting events and demonstrations during the California State Fair.