Not only high in protein, but an excellent source of magnesium and calcium to promote healthy bones, Bully Boys (aka. bully sticks) is also an excellent chew for healthy dental care. Want to be your pets favourite? Come home with one of these! Just ask some of Mosi's Friends! NEWLY ADDED: JUMBO Bully Boys!!! Sizes vary at time of order, but these jumbo size Bully Boys measure at a minimum of 18 inches!