[Confidence in Every Collar] Maintain a crisp, professional look with discreet yet powerful metal collar stays that keep your shirt sharp and boardroom-ready all day(No Magnets included) [Strong And Robust] The 6 pieces collar stays are all made of high-quality stainless steel. not easy to bend or break, durable and reusable. the stainless steel collar tips are rust-proof, which means there are no stains on the shirt. These metal collar stays are safe on white shirts [Smooth Edges] These shirt collar inserts are robust metal collar stays that do not warp and keep the collar stiff to keep your shirt looking crisp and sharp all day. collar stays also have smooth edges that won't rub a hole in your collar [3 Sizes Available] These metal collar bars offer 3 lengths for different needs. S/5.2cm(2″), M/6.3cm(2.5″) and L/7cm(2.75″). you can use the right one for different shirts.please note "2pack" version only including 2 Sizes, if you need 3 Sizes please choose "3pack" version from AOLVO brand store [Best Gift] The collar stays for men is a must for everyday use, We have improved the gift packing by including an exquisite gift box along with a high-quality leather purse that can be used daily, the luxury gift box makes it a perfect gift for a father, husband, and boyfriend on a birthday, thanksgiving, father's day, valentine's day, christmas, etc.