Smooth Metal Buttons / 20mm or 23mm Merchant & Mills $3.25 20mm - $3.25 23mm - $3.75 Quantity This variant is currently sold out Please fill in the form below if you'd like to be notified when it becomes available. 20mm or 23mm metal button with 4 holes. Classic and simple to go with an array of fabrics. Made in Italy. Sold Individually.