Selected Material - The button is made of natural shell material smooth surface waterproof durable do not fade can be used for a long time. Good wear resistance hard and not easy to break safe to use when washing and ironing clothes. Glossy And Shiny - Our shell clasps preserve the color and luster of the shells. Compared with normal buttons shell buttons are more elegant and gorgeous making you more eye-catching in the crowd. 4 Holes To Use - These shell buttons take 4 holes design which is convenient for threading and sewing without damaging clothes. After sewing the button is durable and not easy to fall off. Size Information - 36 pcs natural shell sewing buttons. Size of the shell buttons: 0.59"/1.5cm in diameter 0.08"/2mm thick hole: 0.75"/1.9mm. Wide Applications - Different colors of buttons are suitable for sewing diy projects jackets sweaters school bags work clothes collectibles knitting crochet card making button games and scrapbooking. Button replacement is really a great help for tailors and fashion designers.