Bird Life presents the Natural E Cuttlebones by PENN-PLAX.Change things up for your pet with our 2-Pack of Natural E Cuttlebones! Along with providing additional vitamins and minerals, our Natural E Cuttlebonesallow for a subtle and stimulating change in your petàdaily life.Enriched with Vitamins & Minerals:Our Natural E Cuttlebones are enriched with Omega 3 Fatty Acids, Honey, and Vitamin B1.All of these nutrients are necessary for maintaining healthy bones and plumage (feathers),as well as avian energy needs and egg production.Durable & Less Brittle:These cuttlebones are made to be less brittle compared to the competition,and are free from artificial ingredients or colorings.Furthermore, to help prevent Cuttlefish population from becoming decimated,this product is made with 40% cuttlebone.Clip Included:To make for simple and easy mounting, our Natural E Cuttlebonesinclude a clip for hanging on a wire cage.Ingredients:Calcium CarbonateCuttlefish Bone PowderFlaxseed Oil (Source of Omega 3 Fatty Acids)Thiamine Hydrochloride (B1)Natural FlavorShop PENN-PLAX for All Your PetàNeeds:PENN-PLAX is a manufacturer and distributor of top quality pet supplies,who specialize in creating excellent pet products for animals, both great and small.