Fm Brown"s Extreme. trail mix is a great snack treat or reward for rabbits. Blended together a medley of irresistible all-natural ingredients that add variety to your pets diet. Great way to reward them just because you love them. Added some very special, natural ingredients such as pineapple and papaya that contain the enzyme Papains. These enzymes break down the hair and act as a natural aid in reducing the incidence of hairballs. Hairballs may create blockage in the gastrointestinal tract of rabbits. Plus, added other high quality fiber sources like pure timothy hay pellets and carrots that help further benefit the proper function of the digestive system. Comes in 4-ounce per pack.