Souarts Mixed Antique Silver Color Pattern Engraved Metal Buttons Pack of 50pcs Size: Approx 17mm-23mm Dia.; Hole size: 2.2mm-3.4mm Thickness: 1.3mm-2.3mm. 50pcs Metal Buttons included. Material:The button is made of zinc alloy, has classic antique style, appealing appearance Suitable:Ideal for a variety of sewing,knitting,crochet,card making and scrapbooking.Suitable:Ideal for a variety of sewing,knitting,crochet,card making and scrapbooking. Design:The button is unique,earth-friendly,cost effective and fashionable. Function:Meet your need for customizing your DIY and craft project,replace the buttons on the clothes,such as jackets,pants buttons.