Metal Collar Stays - Stainless Steel - 3 Sizes 6 Pairs, Assorted Variety Pack - Best Luxury Case Holder Imported Forget plastic collar stays, stainless steel is the way to go. These will never bend like plastic, keeping your collars looking good as new. Dont stress - with 3 different sizes (2.5, 2.75, & 3.0) this set of stays will fit all shirt and collar sizes. Not magnetic The luxury case makes for a great gift. Also convenient to pack for your upcoming business trip. Need these before that next business meeting or interview? Ships fast, especially with Amazon Prime. The best kept secret to looking sharp!