100% satisfication: if your child doesn like our chewable sensory teether or has any problems in the process of using,you can contact service support and get your 100% money back.Feel free to buy and use our sensory teethers. Easy to Clean- Sensory chewing teether toys for autistic children is easy to clean in the dishwasher or by hand wash/rinse with just water,Freezer safe. Multiple Use:Our sensory chewy teether also can be used as a baby teething toys,teethers for infant babies who have teething issues,make your baby teething easily. Fun Sensory Motor Aids - Kids love our fashionable color design! our tractor teether toys will help your child chew when they need to oral fixation, calm, or focus. A therapy tool for those with ADHD, SPD, special needs or kids with sensory processing disorder. Safety is Our First Priority: - 3rd party tested,100% food grade silicone. BPA free, phthalate free, lead free.