Yearling/Large Cob 1" Nylon Halter from Big "D" for horses 17-22 months old. Made of rot resistant heavy duty nylon that is doubled and tripled for strength. The exclusive Big “D” buckle, rings, and squares are solid brass, guaranteed not to break. Manufacturer's life-time guarantee. Select from Royal Blue, Teal, Kelly, Forest Green, Spruce, Navy, Maroon, Purple, Red, and Black.