Boss Dog Brand BOSS PROBALLS are protein based treats to support overall health and with a taste your dog is sure to enjoy! These delicious freeze dried raw meatballs are packed with probiotics at over 1 Billion Probiotics per ounce! Free from corn, soy and wheat, you can rest assured that our Boss PROBALLS deliver digestive benefits and contain wholesome ingredients. These treats are meat first and protein rich to provide sufficient nutritional intake in a treat application!