Innovative oral motor devices designed to provide a resilient, non-food, chewable surface for practising biting and chewing skills.The Chewy Tubes can also be used with those seeking additional proprioceptive input into the jaw.Handles have corrugated ridges to assist the grasp - especially useful for those who are visually impaired.Safe, nontoxic surface is latex-free, lead-free, and does not contain PVC or phthalates.Green Chewy Tube offers increased sensory input from the raised bumps along the slightly firmer bitable stem.-0.2m phthalates.Greut NascoIn 1941, Nasco got its start by filling a need for teaching aids that were not readily available from any other source.To this day, we are proud to carry on that tradition and serve customers throughout the United States and abroad with the products they need, the quality they expect, and unbeatable customer service, all at prices they appreciate.