Mother of Pearl Buttons 4 Holes Round (White, 14L 9mm Qty 10) Go to amazon.com Related posts 10 best 9mm buttons FeatureGenuine Mother Of Pearl ButtonWhite14L 9mmApproximately 2mm Thick DescriptionGenuine Mother of Pearl Button. Round 4 holes. Size 14L 9mm. White Color. Great for shirts and blouses.