jjshund 8 Pcs Jaw Exerciser for Men Women, 4 Resistance Levels Jawline Exerciser Silicone Jaw Trainer Powerful Jawline Shaper for Slim Tone Your Face Neck, Say Byebye to Double Chin

【8 Pcs Jaw Exerciser】8-piece jaw trainer, 4 colors corresponding to 4 resistance levels: blue 40 pounds, white 45 pounds, gray 50 pounds, black 55 pounds. Just 5-10 minutes of chewing exercises a day to help you shape your jawline 【Exercise Jawline】The jawline exerciser can help you improve sagging facial muscles and double chins, stimulate facial muscles to tighten the skin, suitable for men and women of most ages, and help you shape a clear jawline 【Silicone Jawline Shaper】This jaw strengthener is made of silicone, you can put it in your mouth with confidence, it is safe to use, durable and elastic, and can be reused many times after cleaning. The biting surface of the jaw exerciser adopts a concave design, which will not slip out of your mouth when used 【How to use】Put the jaw exerciser for men in boiling water for 20 seconds. Touch the non-slip surface with your teeth, and then chew up and down. It is recommended that beginners do not train too much to avoid damaging the jaw muscles and teeth. Start with low resistance and gradually increase strength training. 【Exercise Anytime, Anywhere】The size of the jawzercise is 2.8 x 1.7 x 2 cm, which is small and portable. You can use it at work, in the gym, reading or relaxing, allowing you to exercise your jaw line anytime, anywhere