Product Description Material: food grade silicone Size: 7*2*1.2cm Color: blue, red, green, purple Quantity: 4 pieces Package contents: 4* building block chewing necklace molar stick blue+red+green+purple Features: 1. Sensory Chew Necklaces Our sensory chew necklaces are made of high quality silicone and can meet your requirements. They are durable, tough and soft, with healing and soothing properties. Also great for stopping nail biting or thumb sucking. 2. Colors to Reduce Stress and Anxiety Studies have shown that bright, bright colors can lead to aggression, hyperactivity, and flooding stimuli (especially yellow, orange, or bright red). Our chewable labels are dyed in soothing and soothing colors. Great for restless, autistic, ADHD, active chewing, SPD kids. 3. Easy-to-tear fasteners for safety Our chewing chains are equipped with break clasps to make the bite safer, suffocate and prevent accidents. Oral sports chewing jewelry for little boys and girls. 4. Non-toxic food grade silicone Our products do not contain BPA, latex, phthalates, cadmium, lead or metals. Also suitable for adults (men and women) and teens. 5. Durable and suitable for most children The silicone sensory chew necklace is made of durable silicone material with strong chewing force.