This sensory jewelry helps the child or adolescent to improve his level of attention, calm down and decrease sensory seeking behaviours. Nice, practical and safe chewable accessory. Made of food-grade silicone, free of BPA, phthalates, cadmium and lead. Comes with a resistant string and a safety breakaway clasp that opens without breaking when pulled hard. Dishwasher-safe or can be washed by hand with soap and water. Wash before first use. Frequently inspect the product to make sure no part is damaged. Do not use if damaged. Adult supervision is required when the child is wearing the pendant. In order to maintain the function of the clasp, do not allow the child to nibble at the clasp. When used by a child with special oral needs, this accessory should last on average 4 to 8 weeks, less for the most aggressive chewers. For children 3 years old and up.