Material:Rose gold plated Stainless Steel, it is lead free and nickel free.Stainless Steel is hypo allergenic, it doesn??t rust, change colour or tarnish. The Big Sis heart is 2 cm (0.79 inch), Little Sis heart is 1 cm (0.39 inch), stainless steel chain length 46 cm (18 inch), diameter of bracelet: 6.5cm (2.56inch). This hand stamped Big sis Lil sis charm necklaces are the perfect gift idea for sisters! Made with love just for them?? You get 2 necklaces, for you and for your loving sister, Very sweet and would make a lovely gift! The perfect set for soul sisters, sisters and best friends!