1. This jaw trainer is made of food-grade silica gel, non-toxic, safe，reusable.
2. Strengthen and shape your chin line and reduce double chin.
3. Through chewing exercise, make your facial muscles more compact, not loose, and look younger.
4. Small size, light weight, easy to carry.
5. It can be used by both men and women. Use it anytime, anywhere, gym, workplace, home, etc.
Specifications:
Material: silicone
Color (optional): black, blue, purple
Product size: 47 * 40 * 32 mm
Package Includes:
Jaw trainer* 1/3pcs
Rope * 1/3pcs