This is a high protein food that comes in 5 sizes to promote growth in your fry. Contains enhanced vitamin pack and Krill to promote healthy fish and natural coloration. This is a slow sinking #3 or 1.1 mm size fine for small fish. Ingredients: Fish Meal, Wheat Gluten, Fish Oil, Wheat Flour, Krill Meal, Condensed Fish Protein, Whey Powder, Monoammonium Phosphate, L-Lysine, Ethoxyquin as preservative, Choline Chloride, Vitamin E Supplement, DL-methionine, Calcium L-ascorbyl-2-monophosphate, Dried Yeast, Paracoccus Pigment, Yeast Extract, A Vitamin/Mineral Premix Containing: Roughage Products, Zinc Sulfate, Ferrous Sulfate, Inositol, Niacin, Calcium, Pantothenate, Manganese Sulfate, Riboflavin, Mineral Oil, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Menadione Sodium Bisulfite Complex, Copper Sulfate, Biotin, Thiamine Mononitrate, Vitamin A Acetate, Folic Acid, Vitamin D3 Supplement, Calcium Iodate, Sodium Selenite Guaranteed Analysis: Crude Protein 52.0% Min., Crude Fat 18.0% Min., Crude Fiber 1.0% Max., Phosphorus Min. 1.2%, Vitamin D3 Min. 4000 IU/KG, Vitamin E Min. 350 IU/KG, Vitamin A Min. 10000 IU/KG The sizes with Jar after the weight come in a jar. The bulk box comes in one bulk bag in the box. All other sizes come in a FDA approved resealable poly nylon bags that keep you food fresh. When you buy the 1 lb. size you will receive two bags with 1/2 lb. of food in each. When you buy the 5 lb. size you will receive 10 bags with 1/2 lb. of food in each. This allows you to open them up as you need them instead of one big bag that will go stale.