Zysta 36PCS Premium Stainless Steel Dress Shirts Collar Stays Bones Stiffeners Support Size 2.2" 2.5" 2.75" 3Inch 36PCS Stainless Steel durable collar stays Collar Stays keep your collar stay. Collar Stays keep you handsome, sharp, energetic & dignified For any shirts have collar stay pockets. Busniness, Casual, Tuxedo or Wedding dress Smooth Edges protect your human body or the shirts Collar Stays size 2.2" 2.5" 2.75" 3 inches