The E2 cuttlebones from Penn Plax are both Eco-Friendly and Enriched. These
cuttlebones are enriched with Oyster Shells, Omega-3, Honey and Vitamin B1.
Cuttlebones are a great way to provide supplemental calcium and minerals to pet
birds. In the Mango & Banana cuttlebone packs, half of the cuttlebones
will be Mango flavored and half will be Banana flavored (3