[Spider Chew Necklaces : Fashion spider shape silicone sensory chewing toys suitable for children with autism ADHD SPD or restlessness to alleviate and enhance the attention of individuals Reduce Anxiety：Chewing is a stim which is very helpful for autistic people and this will work for a normal even adult chewing needs. It’s much better and safer for the teeth and mouth than fingernails or pencils Safe Material：Our sensory chew necklaces are made of food-grade silicone. BPA free no lead and phthalates. You can use it without any worries Breakaway Clasps and Adjustable Cord: The chewing necklace features a detachable buckle and adjustable buckle design making it easy to wear and remove ensuring the safety of children in emergency situations Easy to Clean: Just clean in the dishwasher or by hand wash or rinse with just water or clean it with mild soap and water. Freezer safe. Product dimensions: height 2.30 inches width 1.96 inches thickness 0.39 inches. This product is not a toy. It must be used under the continuous and direct supervision of adults]