This dog toothbrush is a rubber material that is easy to clean and can also be cleaned in the dishwasher.To keep the brush stick clean, we recommend cleaning before and after the dog chews. This is not just a dog toothbrush or a chewing toy.Dogs staying at home every day often lose energy and feel frustrated,which can tear home furniture.Occasionally,some dog lure can be put on it to make it fun. It can chew toys,relieve boredom,and release emotions.