Offering the utmost in versatility and ease, this set of power stays from Wurkin includes three sizes 2-inch, 2. 5-inch and 2. 75-inch. They slide easily into your collar and stay firmly in place thanks to ultra-strong magnets. The set of three pairs is neatly packaged in a leather travel case for on-the-go ease. Wurkin Stiffs Magnetic Power Stays in Leather Travel Set