Treat your old friend to a therapeutic dog toy. The Aroma Dog Calming Toys for Seniors delivers essential oil scents with every squeak to target the various symptoms of the aging process and can help to stimulate the mind and body. These toys have a proprietary blend of therapeutic grade esssential oils for your devoted senior dog including - Rosemary, Peppermint, Bergamot, Black Pepper and Ylang Ylang and use a patented technology for long lasting scent delivery in every squeak.