Penn Plax Bird Life E2 Mango & Banana CuttleboneBird Life E2 Cuttlebones by Penn Plax offer 40% real cuttlebone, enriched with oyster shells, Omega 3, honey, and Vitamin B1 for enhanced durability and nutritional value. These eco friendly cuttlebones feature mango and banana flavors and include a cage clip for ease of use. Fortified with oyster shells, Omega 3, honey & Vitamin B1 Helps keep beaks trimmed while supporting healthy bones & plumage Great source of calcium carbonate & other essential