Description:Food grade silicone material, BPA-Free, natural, non-toxic, and soft to chew.The colorful appearance attracted the attention of the babyHelps prevent babies from biting or scratching their hair.A fun and practical way to relieve your baby's teething painThe teether necklace with safety buckleSpecification:Circumference:39cm/15.35inch (Three buttons can adjust size)Silicone diameter:5cm/1.97inchPackage Includes:1x Baby Teether PendantNote:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light,the picture may not reflect the actual color of the item.Thanks for your understanding.