Simple Metal Buttons / 18mm, 20mm or 23mm Oak Fabrics $4.50 18mm - $4.50 20mm - $5.50 23mm - $6.50 Quantity This variant is currently sold out Please fill in the form below if you'd like to be notified when it becomes available. 18mm, 20mm or 23mm metal button with 4 holes. Classic and simple to go with an array of fabrics. Made in Italy. Sold Individually.