Material: 18K Gold Filled. Our gold filled pieces are bonded with 8 layers of real gold. This makes our jewelry high quality and long lasting and a great alternative to solid gold for a fraction of the price. Our pieces are 100% lead and nickel free making them hypoallergenic. Chain Styles: 2.5mm Figaro. Price per Kid's Size Recommendation: Newborn - 1 Year: 12"(+ 1"" ext)1-5 Years: 14"" (+ 1"" ext)5-15 Years: 16"" All of our piece our carefully curated and handmade by our all-female team in Miami, Fl. Our materials are ethically sourced for durability