The strong and sturdy shape of this Bionic Bone satisfies your dogs desire to chew and stimulates their senses with thick ridges on all major chew points of this bone. You can also stuff your dogs favourite treats or kibble into the bone. They are up to 65% stronger then your nornal chew toyand they also float in water. They are dishwasher safe and are free from nasties like BPA, Lead and Phthalate.