BESTIA CUSTOM DOG GEARpresents: The “Ghostbuster” collar -LIMITED is part of our Halloween Collection. The collar is 2 inch (5 cm) wide, made of biothane waterproof vegan leather. 2 inch buckles and hardware - STAINLESS STEEL. This collar is machine washable without the centrifugal process and without adding any detergent. Size chart: M - fitting a neck of 42,5 - 52,5 cm (16.7 to 20.6 inch) L - fitting a neck of 50- 60 cm (19.7 to 23.6 inch) XL - fitting a neck of 57,5- 67,5 cm (22.6 to 26.6 inch) XXL - fitting a neck of 65 - 75 cm (25.6 to 29.6 inch) Make your dog part of the spooky night! Fits perfect on large to giant breeds, like: Cane Corso, Rottweiler, Doberman, Presa Canario, Spanish Mastiff, English Mastiff, Bullmastiff, French Mastiff, American Bulldog, Boerboel, Dogo Argentino, Amstaff, etc. waterproof - ultra heavy duty - comfortable