Speech Pathology LLC Chewy Tubes, 3/8 in Dia, Blue, Set of 12 Sold as a Set of 12 Ideal for individuals who use chewing to calm or refocus Useful for those with speech or eating-related issues who need to strengthen related muscles Helpful to individuals who are developing initial oral motor skills, or rehabilitating the jaw Made of FDA approved thermo-elastic polymer material and does not contain latex, PVC, lead or phthalates