DescriptionIf you are looking for a durable jaw exerciser, I can tell you that our product will be your best choice. Use high-class materials, so you can use it for a long time. Although it is simple in design, it is very practical when used.Features-Material: Silicone -Silicone material, durable, long service life, not easy to damage and not easy to deform. -Light weight, small size, easy to carry and store, safe and convenient to use. -It can help you shape and tighten your face and neck, and let you say goodbye to double chin and loose facial muscles. -The design is simple, but it is very practical to use, which brings you great convenience. -The unique design and exquisite craftsmanship ensure its popularity and practicality.