A true friend leaves paw prints on your heart. 316 surgical grade stainless steel "Perfect Companion" aroma dog tag specially designed by Oriwest anada. Fits any sized dog, tarnish and water resistant. The best natural application for protecting your dog against ticks and fleas problem. Some of the essential oils you can safely use on the furry friends: Lavender, Clary Sage, Tea Tree, Geranium and Rosemary.