4th Generation Jaw Exerciser Ball Silicone Chewing Device Jawline ExerciseGray
- 1.High quality: 100% brand new high quality, made of high quality soft silicone, safe and healthy, to ensure your oral hygiene.
- 2.Wide range of applications: a size suitable for most people, widely used for tongue muscles, lip muscles, teether and facial muscle training.
- 3.Clean and safe: it can be disassembled and cleaned, convenient and hygienic.
- 4.Effectively exercise tstrength and flexibility of ttongue muscles.
- 5.Exercise trange and flexibility of jaw movement, and increase tstrength of biting and chewing.