Soleebee Mixed Round 18mm Aluminum Glass Umbrella Shaped Snap Button Jewelry Charms Pack of 12pcs Finest MaterialThe snap button jewelry is made of Glass and Aluminum, very clear. SizeThe size of the snap fastener is 5.5mm and the diameter of button is 18mm. Nice&BrightOur buttons are made of better material, nicer and brighter than any others. 1 Second DIYThese snap buttons could be added to any snap button ring,snap button bracelet or snap button necklace, so you could enjoy 1 second diy jewlery fun at your own will;you also can add these buttons to your clothes,bags,belt,or wallet and so on. They will make your life more colorful and charming! 12pcs different snap buttons in package