Mazuri Aquatic Turtle Diet, Extruded 3.9mm Floating Pellet Is Designed For All Life Stages Of Freshwater Turtles. 13oz(368g) Nutritionally Complete - No Vitamin Or Mineral Supplements Required. Contains high levels of fish(menhaden) and animal protein. Contains natural vitamin E, a healthy calcium/phosphorus ratio, and Vitamin D3 This 5/32" (3.9mm) extruded floating pellet holds together longer than other expanded & compressed pellets, and will retain its nutrient composition much longer in the water. While Mazuri extruded diets cost more per pound, they are higher in nutrients, and you actually have to feed less to your turtles- which makes Mazuri Aquatic Turtle a tremendous value. Extruded Pellets Have The Best Digestibility Of The 3 Pellet Manufacturing Techniques(Extruded, Expanded, Compressed), The Best Feed Conversion Rates, And Use Carbohydrates(starch) As Binders So "Nutritionally Blank" Ingredients Are Not Used To Bind The Pellet. Better Feed Conversions And Reduction In Total Biological Load In The Water Column Is The Result. 13 Ounces Of Feed Sealed In A Black Canister. Most Orders Received By Noon Eastern Time(M-F) Will Ship The Same Day.