“Rubber Bristles” and patented “Floss Slots” Triple clean your dog’s teeth, gums and tongue with every chew. They work together to clean away harmful smelly bacteria called plaque 360 degrees around the teeth all the way to the gum line. The “Floss Slots” are scientifically shaped To fit your dog’s triangular teeth for maximum cleaning and efficiency. Simply insert your dog’s favourite treat into the hollow center to increase stimulation and engagement. Examples can be dental sticks, collagen sticks, peanut butter etc. Clean with soap and water or on top level dishwasher.