The Macaw and Cockatoo Pellets provides lots of beak exercise and proper health. Please Do Not Immediately Switch Seed Eating Birds to Pellets. This Has to Be Done Gradually. This Method Is often Done Over A Period of Two to Four Weeks. Supply 1/6 to 1/3 Cup A Day to your feather friend. This Tub Will Last 1 to 1 1/2 Weeks. The pellets are made with Ground Corn,Wheat,Oat Groats,Soybean Meal,Cane Molasses,Dried Whole Egg,Corn Gluten Meal,Dicalcium Phosphate,Ground Limestone,Iodized Salt,Dl-Methionine,L-Lysine,Choline Chloride,Zinc Oxide,Manganese Oxide,Vitamins A-D3-B12-E Supplement,Ect. Size:??7.5" x 3.25" x 5".