These treats are hard dental sticks made for dogs to be occupied and busy in chewing. Unlike normal chews these twisted stick help in cleaning teeth during the chewing process is going on. Their innovative shape helps in reaching various corners of teeth to clean up the accumulated food and tartar. While chewing your pets? teeth sink into the gap of the treat and with the movement in mouth it scrapes of the tartar accumulated at corners resulting in a cleaner and healthier mouth.