Chewy Tubes are for practicing biting and chewing skills. The innovative Chewy Tube provides a durable, safe, chewable surface to develop biting and chewing skills. Children seeking additional sensory input enjoy biting on Chewy Tubes. Requires adult supervision for children with autisim and children under 3. Not recommended for children under 7 months. No Latex, Lead, BPA, and phthalates. All material is FDA compliant, machine washable and made in the USA. Wash with mild soap and water.