This clergy vest collar set from R.J. Toomey is designed to be used with their 501 clergy vest. It comes with two #2 white collars and a miniature rabat. The collar attaches to the rabat, which attaches to the vest for a more formal, distinguished look. The collar size is adjustable. This clergy vest collar set is produced in the USA by R.J. Toomey, a trusted company with over 70 years of experience in providing quality clerical apparel. Offering style, comfort and practicality, this vest collar set is the perfect accessory to your clergy vest. This vest collar set fits 16 inch to 16-1/2 inch vest sizes.