FirstMate Grain Friendly Cage Free Chicken Meal & Oats Dry Dog Food. Cage Free Chicken & Oats Formula uses humanely raised chicken as a single meat protein and two wholesome grains. The Grain Friendly™ category is free of corn, wheat, soy, potato and peas making it optimal for daily feeding or sensitivities. Humanely Raised Chicken Single Meat Protein NO Corn, Wheat, Peas or Potato Wholesome Grains Made in Canada Available Sizes: 5 lb / 25 lb