Product Description Level 1 (30 lbs): Beginner The beginner level jaw exercise provides the right amount of resistance to start strengthening and slimming your jaw and chin. Level 2 (40 lbs): Intermediate Upgrading to the mid-level can help bring out the streaks (muscle definition) in the jawline, reduce any excess skin and fat under the chin, and add some serious strength to your bite. Level 3 (50 lbs): Advanced Graduating to the advanced level, exercise your face and neck muscles more, reshape your face, strengthen the jaw line and tighten the skin, resulting in a more youthful appearance. Features 1.The jaw exerciser can reshape the face, strengthen facial and neck lines, resulting in a more youthful appearance. 2.This exercise is to remove fat deposits around the jaw and neck to reduce double chin, jaw chisel, promote firming facial tone and chin lift. 3.This shaper reduces cravings while chewing, it's a healthier and more effective way to lose weight. 4.Safety Jaw Exerciser For Women Men: Made of food grade silicone, please rest assured to use. 5.Jaw training at any time: Hands-free training, exercise in the gym, at home, in the office, etc.