1. Facial Masseter Training: Upgraded 3 layer design, exercise and tighten the masseter muscles, improve double chin and help shape V face, simple and practical. 2. Shaping: By having some repeated exercises, will make your muscles of look more beautiful. If you keep exercising your jaw, you will meet a significant effect. 3. Easy To Use: Hold one end with your moutht, then inhale and exhale with your mouth, good training effect, after long term use, it helps to shape the chin and face shape. 4. PP Material: Face trainer is made of high quality PP material, and eco friendly, flexible and skin friendly, wear resistant and stable, for use. 5. Multiple Applicable Scenarios: Light weight and in small size, easy to store and carry, can be easily put into your bag, suitable for home, office, travel, etc. Spec: Item Type: Face Trainer Material: PP Use: To help shape and tighten your facial features PackageList: 1 x Face TrainerFacial Masseter Training: Upgraded 3 layer design, exercise and tighten the masseter muscles, improve double chin and help shape V face, simple and practical. Multiple Applicable Scenarios: Light weight and in small size, easy to store and carry, can be easily put into your bag, suitable for home, office, travel, etc. PP Material: Face trainer is made of high quality PP material, and eco friendly, flexible and skin friendly, wear resistant and stable, for use. Easy To Use: Hold one end with your moutht, then inhale and exhale with your mouth, good training effect, after long term use, it helps to shape the chin and face shape. Shaping: By having some repeated exercises, will make your muscles of look more beautiful. If you keep exercising your jaw, you will meet a significant effect.