Browband and breastcollar are genuine leather in a vintage style. They are decorated with round black and white checkered and turquoise western conchos (W273). 
Full horse size measurements
Headstall measurements: bit to bit - 36" shortest setting : 44" longest setting
Browband measures 15" across
Breastcollar measurements - From center ring to D ring - 16" 
Breastcollar including toggles : shortest settings - 26" : longest setting - 29"