Feature: 1. Calming Effect: Our set of sensory chewing necklaces provide a safe, therapeutic outlet for fidgeting, biting, anxiety and stress, producing a calming effect for kids. 2. Developing Habits: Using the chew pendant prevents your baby from sucking on his or her fingers. Helps to develop motor skills by bringing the silicone necklace into the mouth. Contributes to excellent oral habits. 3. Safe and Durable: Silicone chewy necklace is tasteless, non toxic, environmentally friendly, safe and durable, resistant to high and low temperatures. They can be used normally within the range of ‑40℃ to +250℃. 4. Adjustable Cord: The string of this oral chew toys for sensory is adjustable, which make the chewable necklace safe enough. 5. Reliable Material: Chew sensory necklace is made of soft silicone, which massages sore gums and relieves teething pain while keeping your little one happy. Specification: Item Type: Chew Necklace Material: Food Grade Silicone. Package List: 5 x Chew Necklaces