Did you know that? Each year, the deer molts and its antlers fall naturally at the end of each winter. Deer antler is a natural treat for your dog. Ideal for fans of long-lasting chewing, this product will guarantee impeccable dental hygiene for your dog. Dimensions of deer antlers: S: 50-74 grams for dogs under 10kg: Jack Russell, Shipperke, Cavalier King Charles, Pug, Cairn Terrier, Shiba Inu. M: 75-149 grams for dogs between 10 and 15kg: Beagle, Basenji, Staffie, Cocker Spaniel, French Bulldog, Whippet... L: 150-224 grams for dogs between 15 and 20kg: Border Collie, Kelpie, Brittany Spaniel, Schnauzer, Griffon... XL: 225-269 grams for dogs between 20 and 35kg: Australian Shepherd, Dalmatian, Malinois, Golden Retriever, Labrador, Boxer, American Staff...