Food Grade Quality Our jaw exercisers are made of food grade materials without any chemical fillers or by-products, so they are very safe to chew. It's made of the same material as a baby pacifier. It's elastic and not easy to deform. You can rest assured to exercise.It is convenient to carry, hands-free exercise, and perfect for fitness and work. Exercise Anytime, Anywhere you can exercise your facial muscles while driving, watching movies, cooking, cleaning, gym exercise and walking the dog. Take action to create the most attractive facial muscles. Great Christmas gift!! PERFECT JAWLINE SHAPE Say goodbye to double chins and loose facial muscles. Our Exerciser promotes face tone firming chin lift, chisel jawline shaping, and v line slimming by eliminating fat deposits around jaws and neck Reverse Growth Tones and tighten potential facial muscles to reduce sagging, wrinkles and smile lines, thereby helping the face reverse signs of aging. The new and unique design ensures that facial muscles and masseurs get the jaw line they deserve! Exerciser Quick Use: Just put the fitness ball and facial toner in your mouth, put your teeth in the bite strip, and start chewing. Great gift for Mother's Day.