Collar stiffeners Shir Sfiffener sizes available:2.5",2.75",3.0". Highly polished,can print your logo by laser engravable. Specification:Shirt Stiffener Collar stiffenersizes available: 2.2" 2.5",2.75",3.0".width : 10 mm ,12 mm ,Thickness: 0.7mm, 1.0mm Highly polished ,can print your logo by laser engravable. Chirt stiffener