THE ORIGINAL Collar & Placket Stays (SELECT YOUR SHIRT COLLAR SIZE) Beware of Imitations. ***SELECT YOUR SHIRT COLLAR SIZE*** and READ Instructions. 91% of our bad reviews come from buyers who unfortunately did not read about the sizes of the product and how to customize it. By measuring and selecting your shirt collar size, you will have NO COMPLAINT. WE INVENTED IT! and it is the only product that really works. Our product is made of a malleable metal, not flimsy plastic. DO NOT BE FOOLED by a cheap price. We invite you to buy any imitation product and be the judge: YOU WILL PROVE US RIGHT! Imitated but NEVER DUPLICATED. Our product has the VERSATILITY that imitator products simply do not have. You can reshape the shirt collar in any way and adjust the supports to the height of any shirt collar for a complete STRAIGHT Collar. See second image for better understanding why our product can not compare to imitators. BUY WITH CONFIDENCE: 100% satisfaction or your money back. USE IT IMMEDIATELY: No shirt alteration, Magnets or Glue dots required. SOLVES 4 PROBLEMS: Open and Sloppy collar, Wrinkled placket and Lack of collar support. WORKS ON Polo, Casual, Button down & Dress shirts. NO OTHER PRODUCT CAN DO THAT, But Collar Shaper can do it because it is made of a malleable metal. The product will be one (1) inch smaller than your selection in order to hide better under your shirt collar. i.e If you select 16" the product will measure 15". **DO NOT BE FOOLED** It is IMPOSSIBLE you can get the same results with any of the COPYCAT PRODUCTS. They are PLASTIC, DO NOT have your sizes, CAN NOT adjust to the height of the shirt collar or to be personalized to your own style, SO they CAN NOT solve the four problems on all collared shirts that COLLAR SHAPER CAN DO. It makes your shirt look expensive, It makes your collar look custom tailored, and It gives your shirts new and extended life. Polo shirt has a bigger collar size than your othercollar shirt types. There is aninconsistency of collar sizes from different manufacturers. There is a high possibility that you need two sizes. ALL sizes available Kids &amp; Adult Men/Women. From 13&#034; to 23&#034;. The Product will be one inch smaller than your selection, in order to hide better under your shirt collar, (i.e. You select 15&#034; the product will measure 14&#034;).