Polished rigid steelnStandard size for shirts (9x63mm) 2.5u0026#34;nCutaway collars (9x56mm) 2.2u0026#34;nTravel tin contains 20 piecesnPlain finishnChoose either short or long size, the shorter ones fit cutaway collar shirts, the standard fit all other shirts or a mixed set. These are made from mild steel and are designed to be practical and affordable, this may mean some collar stiffeners have surface blemishes or marks. This does not affect the use of this product.