Exercise Your JawlineOur jawline exerciser applies pressure to your back teeth, increases blood flow to the massage muscle (jaw muscle) area and burns fat. So this jawline shaper will help you strengthen your jawline and shape your face. 40 lbs, 50 lbs, 60 lbs resistanceOur food-grade silicone men's jawline exerciser has 3 different resistance levels to gradually train your muscles: beginners, intermediate and advanced users (blue-40 lbs, red-50 lbs, black, 60 lbs). Through testing, only 5-10 minutes a day, 30 days of jawline exercise, the facial jawline will be significantly changed. Total Facial EnhancementOur jawline exerciser is more than just a jawline cutter, continuous training with the jawline trainer can strengthen and tone your jaw, define your cheekbones, or increase lip fullness, tighten and tone facial muscles, reduce double chins, and make your face young and energetic. Food Grade Silicone QualityOur jaw exerciser is made of 100% food grade silicone, which is non-toxic, chemical-free and durable. Our jaw trainer can be easily washed with just water and soap. The three extra jaw strengtheners have independent packaging, which is hygienic and easy to carry. Exercise Anytime, AnywhereThis men's jaw sharpener is pocket-sized, and you can also hide it in your mouth, allowing you to exercise with our jaw muscle exerciser in any public place, such as walking, gym, work, watching TV, on the road, etc. You can enjoy a slimmer neckline and a clearer jaw anytime, anywhere. NoteIt can be used directly after rinsing with water, and choose the color that suits you according to different resistance levels.