Chewers EVERYWHERE are loving the durability and feel of our chewable Autism sensory necklaces! Mindful Creations has constructed premium quality chewable necklaces for your loved ones with teething needs. Each of our products are made of 100% food grade silicone and tested free of any harmful chemicals. The chewing necklaces are guaranteed under our personal satisfaction guarantee, ensuring the durability and safety of those using this product. If our product does not meet your needs or is broken upon receiving, we will return your payment or replace the product no questions asked. We hope that you enjoy these necklaces as much as we do and that your loved ones may use them safely and mindfully!