These collars are well made and very strong. Tan oil-treated leather ofbest quality with heavy duty roller buckle. Sewn and riveted. Bullcollar is made especially for show bulls, having no edges inside to marthe grooming job. Double-layer leather with web between. Extra rivetsand stitching around buckle holes. Cow: Length 105cm x 36mm. Bull:Length 137cm x 50mm.