Vital Essentials Duck Nibs Freeze-Dried Dog Treats, 2-oz bag; Now you don't have to feel guilty about rewarding your dog with a treat! Made with only fresh, whole, single-sourced duck, Nibs provide essential nutrition and taste that dogs instinctively crave. A slow, 48 hour freeze-drying process locks in nutrients without cooking the raw meat and allows these treats to be safely and conveniently stored without refrigeration.