Canadian Brand. The plot chickens when you offer your furry sweetie Great Jack's Chicken Freeze-Dried Cat Treats. These delicious snacks are made with real, fresh, locally sourced chicken. They're freeze-dried using an advanced process to preserve their nutritional value and to lock in the fresh flavor. Produced with care in small batches, they're 100% natural and contain no fillers, grain, antibiotics, preservatives, artificial colors or flavors. Whether you sprinkle them over other meals or serve them on their own, your whiskered friend will most certainly be as happy as a cat in a henhouse.