Material: Jaw trainer made of food grade silicone sheet, smooth surface without burrs, curved edge design better taste.

Suitable for people: Suitable for beginners, men, women, only need 5-10 minutes of chewing practice every day, to achieve a well-defined jaw line.

Function: Use our jaw trainer to activate your facial muscles (masseter), increase facial blood flow and oxygenation, and make your jaw line clear.

Portable: Our jaw trainers are lightweight, compact and easily fit into a pocket for use anywhere.