18" Bully Sticks are perfect for large and small dogs. These bully sticks are a great value as they are mixed between thin and standard sizes! They provide plenty of chew time for larger dogs and last extra long when used with small dogs. They are made from free-range Brazilian cattle and are a great choice for an all-natural chew. Any bully stick will promote healthy teeth and gums because of the chewing action required to eat the stick. These are perfect for large dogs as they are a between-size!