Coastal Pet Circle T Oak-Tanned Rolled Leather Dog Collar | Black Color | 3/4" Width by 18" Girth Circle T oak tanned round dog collar will not mat hair Made of full grain, top quality leather that has been vegetable tanned Round collar have a leather core to ensure that they hold their shape and is rounded over lengthwise, expertly sewn together Perfect choice for long-haired dogs or dogs with sensitive skin Circle T Latigo Leather Round Dog Collar, 3/4", adjustable sizing to fit necks 13.5" to 16