PROFESSIONAL MATERIALS: Made of Lycra and neoprene polymer fibers, high tensile strength, good elasticity, soft, skin-friendly and breathable. DESIGN: With a three-dimensional cut design, tighten the skin, you can adjust it yourself. The ergonomic design provides balanced pressure on the face to prevent sagging. The open chin design gives you a comfortable chin feeling, effectively removing the chin. It can be applied to a variety of types of faces to improve facial contours and achieve perfect facial slimming. Facelift: Can be used to lift and reaffirm the skin, maintain heat, tighten the skin, remove wrinkles from the lower lip, relieve the double chin and achieve facial surgery and rehabilitation. Physical Therapy: Achieves the effect of facial stretching through physical methods, no chemical components, no side effects, safe use Practical: The heavy duty shackle is used to make the mask more difficult to slip. It is easy to use and can adjust the tension to fit your size.