Cuttlefish bone or cuttlebone refers to the internal cartilaginous shell of the cuttlefish, a relative of the squid and octopus. Cuttlefish bone is typically smooth and white, with small, wavy lines or ridges. 5kg - 10kg - 25kg - 50kg per Carton or PP bag or as customer's requestCuttlefish bone or cuttlebone refers to the internal cartilaginous shell of the cuttlefish, a relative of the squid and octopus. Cuttlefish bone is typically smooth and white, with small, wavy lines or ridges. 5kg - 10kg - 25kg - 50kg per Carton or PP bag or as customer's request