4 HOLES BRIGHT BUTTON: These 4 holes buttons come in multiple colors, It can help practice distinguishing between colors .They are also useful tools for learning to count through play. SIZE: bright button about 1.89inch (4.8cm) in diameter, 0.24inch (0.6cm) thick, hole: 0.22inch (0.55cm), 10pcs/color, 3 colors, 30pcs. MATERIAL: These big buttons are made of plastic, bright and not easy to fade, providing you with long term use. BRIGHT BUTTON: 30pcs 3 colors plastic button for crafts, enough to meet your daily using, replacing and sharing needs WIDELY USEAGE: The assorted large buttons are suitable for arts and crafts projects, such as sewing, knitting, crocheting and collaging.you can sew them on handicrafts, adults clothes as embellishments. It is the most suitable gift for friends, family and lovers on halloween, christmas, valentine's day and thanksgiving.