Coastal Pet Products Circle T Oak Tanned Leather Round Dog Collar, 5/8" x 16", Red 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 red color; measures 16-inch length by 5/8-inch width