Collar inserts keep your collar crisp, straight, and polished all day. These slim tools prevent curling and sagging, giving any shirt a clean, professional look. Plastic stays are flexible, durable, and fit various collar styles, from point to spread and cutaway designs. Using collar stiffeners is simple—just slide the stay into the collar pocket for instant structure. Affordable and easy to maintain, they’re an essential detail that elevates your overall style effortlessly.