CREATE PERFECT FACE LINES: that chewing reduces cravings and leads to more weight loss. Convenient, easy-to-carry hands-free exercise can be used while going out, at the gym, at work, and anywhere. SAFE QUALITY: Fitness ball made of high quality food grade silicone and is therefore very safe to chew. It is elastic and not easily deformable. You can exercise with confidence. PROFESSIONAL JAW SHAPER: Say goodbye to the double chin and relaxed facial muscles. By removing fat deposits around the chin and neck, the chin checker can promote face firmness, chin lift and create a perfect chin contour. EASY TO CARRY: Due to its small size and light weight, it is easy to take with you when you go out and train anywhere. Keep it with you on the go, at the gym, at work, wherever. HOW TO USE: Place the exercise device between your upper and lower teeth, bite hard for 10 seconds and then relax. Repeat this movement for 5-10 minutes a day to exercise. Please do not chew quickly, but bite your teeth and feel the strength of the muscles. You have to persevere before it can produce results. Number of sends: 2 pieces