Hamilton 1/2" x 12" Black Leather with Spikes and Diamond Pattern Dog Collar Superb craftsmenship, quality constructed for durability and comfort. Leather collars and leashes have a classic American look that is perfect for all breeds Each collar and lead is stitched with strong weather resistant thread and edged and dyed beautifully Available in 1/2, 3/4 and 1" widths Available in 12 to 26 inches When measuring pet's neck or chest to ensure proper and comfortable fit, add 2 inches.