"Grow With Me" set includes a necklace + an extender to help you find the perfect fit as your baby grows! Baltic Amber Necklaces have been a traditional European remedy for pain and drooling associated with teething for hundreds of years. Each bead is a beautiful and unique piece of history - a fossil from an ancient forest! Our Genuine Baltic Amber and Gemstones are 100% natural. Because of this, *each* piece of Baltic Amber jewelry we sell is one-of-a-kind.