This is a two-ply Parson's brand clergy shirt collar from R.J. Toomey. This collar is designed to be worn with neckband clergy shirts, in which the entire collar is visible. The clergy shirt collar wraps around the neckband and fastens in the back with a collar button for a secure fit. This two-ply clergy shirt collar is made in the USA by R.J. Toomey, a trusted company with over 70 years of experience in providing quality clergy apparel and accessories. This clergy shirt collar fits a 17-1/2 inch neck size. The #2 collar is 1-1/4 inches high. Collar buttons are sold separately.