Martingale © 2006. A horse martingale-style, one-size, multiple-use belt. Solid brass or stainless buckle; 3/4 or 1 inch width. 1-1/4 inch width for additional $5.00. (PP) *Please be aware, orders may take up to 4 weeks to process. See below to find out how to measure your waist for a custom belt