Mechanical action: it helps to eliminate food residues thanks to its special shape that exerts a greater mechanical effect on the teeth and increases by 40% the chewing time. Dentalshield: helps reduce plaque formation thanks to a special bacteriostatic active ingredient. With pyrophosphates: helps to reduce the formation of tartar by means of pyrophosphates that counteract its mineralization. For Adult, Senior, Puppy, Junior dog. For small breed Pack of 7 sticks 90 g.