Harley Davidson Double-Ply Spiked Leather Dog Collar, Black, 1" Width by 15" to 18" Girth Made for the dog that was born to ride. Handcrafted in the USA, ideal for everyday use. Adjustable sizing to fit necks 15" to 18", Width: 1", Color: Black. Made of strong and durable double-ply leather. Feature two layers of leather sewn together with orange thread for added strength and durability. Adorned with acorn spikes and the Bar and Shield emblem.