Dogs love the crunchy texture and natural flavors of NUTRO Crunchy Dog Treats. These 100 Percent natural dog treats contain: NO chicken by-product meal, NO artificial flavors or colors, NO artificial preservatives, NO corn, wheat, or soy protein. Our NUTRO Treats for Dogs with Real Mixed Berries are thoughtfully prepared to give your canine companion a delicious, healthy bite-size snack, to reward an active and healthy lifestyle. Trace amounts of genetically modified material may be present due to cross contact during manufacturing.