Package Include: You will receive 40 pcs flat round button. The color is black. Sufficient quantity can meet your daily sewing needs and replacement backup needs Cool Design: This button is overall round with a design in the center pattern. The surface has a beautiful luster. It is very eye catching when decorated on clothes adding your charm and bringing you chic and modern style Size Information: The size of shape button is 0.43inch(11mm) in diameter 0.07inch(2mm) thick hole: 0.04inch(1.2mm) have two hole compact and exquisite Premium Material: head buttons are made of high quality alloy and enamel material which is smooth long lasting and not easy to fade and deform. It has good luster and is smooth that won't hook lines on clothes Wide Application: Whether sewing knitting threading this alloy buttons are suitable for fabrics crafts and DIY projects. Great for clothing and bag embellishments