More Than A Treat, It’S A Treatment. Delicious Grain-Based Dental Chews That Dogs Will Love. Ergonomic Star Shaped Design To Maximise Contact With Teeth And Gums. Longer Chew Time For Cleaner Teeth And Fresher Breath. Low Salt And Low Fat, Suitable For Fussy Or Finicky Eaters And Many Dietary Concerns. Biofilm Is The First Stage In The Development Of Dental Disease. Prozym Sticks Contain An Exclusive Active Ingredient, Rf2, Which Is Scientifically Proven To Reduce Biofilm By Up To 70%.