Package Contents: 3 * Chew Necklaces 1. Sensory Chew Chain Our sensory chew necklace is made of high quality silica gel, which meets your requirements. They are long-lasting, gentle and have therapeutic and sedative effects. It can also prevent nail biting or thumb sucking. 2. Research on colors to reduce stress and anxiety shows that bright colors can lead to aggression, hyperactivity, and overstimulation (especially yellow, orange, or bright red). Our chew tags are painted with soothing, soothing colors. It is very suitable for children with irritability, autism, hyperactivity disorder, aggressive chewing and SPD. 3. Simple and easy to tear safety tether Our chew chain is equipped with flimsy tethers to secure the bite, choke and prevent accidents. Suitable for oral sports chew jewelry for little boys and girls. 4. Non-Toxic Food Grade Silica Gel Our products do not contain BPA, latex, phthalates, cadmium, lead or metals. It also applies to adults (men and women) and young people.