[Durable Plastic Material] Made of plastic for long lasting use .
[Improve Sensory Language Clues] Reduce feeding difficulties and normalize sensitivity .
[Targeted Training for Kids] Includes 3 forms of whistle for oral training to assist language rehabilitation .
[Promote the development of oral muscles] Engage the muscles of the jaw and mouth to improve chewing ,swallowing and speaking skills .
[Versatile Applications] Promotes the oral health of children ,adolescents and adults .