Showman MINI/SMALL PONY Nylon Headstall & Breast Collar Set w/ Crystals & Reins. This set features durable nylon with crystal rhinestone strands. Available Colors: Black, Purple, Teal & Blue. Reins are 5/8" x 5'. Headstall adjusts 25" to 32" bit loop to bit loop. Breast collar measures 11" from center ring to top ring and is 1.75" wide.