myPALTU Fish Bone Chew is sourced from marine Elasmobranch fishes namely Ray fish and Guitar fish. It cleans teeth, prevents plaque and reduces tartar. Our Fish Chews contain protein from Fish meat, Chondroitin sulfate, a prime natural ingredient for joint support. Our chews possess omega 3 fatty acids, which improves the skin texture, immune system, hair growth. There is no harm if the dog swallows a larger bit with an irresistible palatability stimulant. Ours is a chemical free, processed and sterilized product. Being an ocean product, these chews are free from terrestrial bacteria.