TUXEPOC Square and circle combination chews provide a safe and discrete alternative for individuals with sensory needs (Autism, Attention-Deficit / Hyperactivity Disorder, PDD, etc.). They greatly promote calm for those with sensory input disorders and provide an alternative to chewing on hands, T-shirts, etc. Features: Used to improve biting and chewing skills Improve jaw strength, coordination, and mobility Satisfies clients needs for TMJ stimulation Alternative to thumb sucking, teeth grinding, and pacifier usage Made from medical grade FDA compliant material Dishwasher Safe No BPA, PVC, latex, phthalates, or lead warn: 1. The first use should be cleaned and disinfected (clean water or dishwasher, can be disinfected with boiling water, etc.); 2. The integrity of the product must be checked before use; 3. The use of all children must be used under the supervision of adults; 4. If you have any questions about quality, please contact us.