Our 1-1/2 inch wide Latigo leather dog collar has 1/2 inch long solid steel nickel plated spikes that help to protect your dogs neck. This 2-ply leather collar is made with heavy nickel hardware. It is available in Black or Burgundy leather and in sizes 21, 23, 25, 27 and 29. For correct collar size measure your dogs neck. Size 21 will fit a dog with a 15 to 18 inch neck. Size 23 will fit a dog with a 17 to 20 inch neck. Size 25 will fit a dog with a 19 to 22 inch neck. Size 27 will fit a dog with a 21 to 24 inch neck. Size 29 will fit a dog with a 23 to 26 inch neck. MADE IN THE USA! Latigo leather is cowhide leather that is chrome tanned and then it is vegetable taned. Latigo leather is stiff leather but becomes softer the more it is used.