Big pellets when given individually by hand as the sole food, the dog food for chewing and their structure results in a sandy friction on the teeth, which can have a cleansing effect. My dog loves it, I like the smell, and her gift is an evening ritual for him. However, the price is v.ca. 6.50 / kg has a high number of daily. Feeding! Therefore, my dog gets it only as an addition, so that the dental unifying effect is probably questionable. Nevertheless, my dog loves it and rituals structure the everyday!