This 2 Piece Sisters Necklace Set includes a 1.25" 22g stainless steel heart washer necklace for Big Sister and a 5/8" stainless steel heart necklace for Little Sister. Each necklace comes with a birthstone charm. Please specify what month birthstones you need in the personalization section. Chain options are stainless steel or sterling silver. Please select your preference from the dropdown. 24" Chains are available in Stainless Steel Only. If you would like that chain, specify that in the personalization box. Please feel free to message me with any questions you may have.