Dr. Marty “Tilly’s Treasures” Beef Liver Treats (8 oz) – A bag of single-ingredient beef liver treats named after Dr. Marty’s dog Tilly. These freeze-dried beef liver bites are packed with protein and natural flavor, making them an irresistible and healthy snack or training reward. They’re grain-free, filler-free, and full of vitamins and minerals derived purely from nutrient-rich beef liver.