Swedish military urea buttons. These are the type mainly used on the cuffs of Swedish military grandpa shirts and jackets. Diameter 17mm x thickness 3mm. There may be slight color variations depending on the manufacturing lot. Made of urea resin (urea formaldehyde resin). Used. Sold in sets of 10. Olive color (there are individual differences within the range of what can be recognized as olive color). How about it?