Nûby's Teething Trends Silicone Jewelry is fashion forward for mom and provides comfort to baby's gums. A variety of colors captivate your baby while the soft silicone provides stimulation to gums and emerging teeth. Made of 100% silicone, Teething Trends Silicone Jewelry is safe for babies to touch, tug, and teethe! The necklace Nûby's Teething Trends features a plastic clasp for fastening and added safety, making wearing or taking off a snap!