Gafly Therapeutics X’s and Y’s chews provide a safe and discrete alternative for individuals with sensory needs (Autism, ADHD, PDD etc.). They greatly promote calm for those with sensory input disorders and provide an alternative to chewing on hands, t-shirts etc. Each package comes with 4 chews, 2 X’s and 2 Y’s. One side of the tubes has tiny raised bumps while the other has small raised ridges and the last side has a smooth surface for different sensory needs. NOTE: Please remember all our products are recommended for children 3 years and over only. All our products contain small parts, and are not suitable for children under 3 years as they pose a choking hazard. Our products are not considered toys, and as such, all small children should always play only under strict adult supervision. They all have the potential to contain small pieces and sharp edges. If not handled with care or dropped on a hard surface, they could break. If purchasing our products for children, it is important to consider their age and stage of development. It is the responsibility of the parent/guardian/carer to gauge the suitability of our products.