Coastal Pet Circle T Oak Tanned Leather Round Dog Collar 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 Available in tan color; measures 20-inch length by 3/4-inch width