Metal Button Size: 34L & 44L Color: Gunmetal Material: Alloy Various sizes and colors available Our high quality metal buttons are exporting many countries with great working experience.There are 4 square holes.The color is Gunmetal color in nickle free.The button size is available as following :24L-28L-32L-34L-36L-40L-42L-44L-48L etc.Welcome to ask for details! Metal Button