Slick Collar Shirt Collar Support Adjustable size complete Shirt Collar support for men and women. Collar and Placket Stays support Prevents droopy, saggy shirt collars for all shirt types. Keeps your shirt collar straight when unbuttoned or when under heavy garments such as jackets and coats for a crisp professional perfect looking shirt collar every time. Made from Hypoallergenic Food-Grade, Lightweight, Durable and Flexible material designed to provide a natural look that hides in the shirt collar while naturally moving and flexing with head and neck movements. Supports Shirt Collar Sizes 14.5"(Small) to 20" (3XL)