Material:stainless steel and alloy,it is lead free and nickel free.Stainless Steel is hypo allergenic, it doesn??t rust, change colour or tarnish. Size: round charm of necklace: 2.5cm (0.98inch) diameter, disc charm of bangle: 2cm (0.79inch) diameter, angel wing charm: 3cm (1.18inch) * 0.9cm (0.35inch), diameter of bangle: 6.5cm (2.56inch), chain length: 46cm (18.11 inch) + 5cm (1.97 inch) extension, heart of Y necklace: 2.5cm (0.98inch) * 2.2cm (0.87inch), Infinity of Y necklace: 2.5cm (0.98inch) *0.9cm (0.35inch), rose gold cuff bracelet: 0.19 inch(5mm) wide, 5.9 inches (15 cm) in length and easily adjustable to size. The memorial necklace/bracelet will arrive in velvet bag, ready to be given as a gift or for you to enjoy. Whether you know your loved one in your entire life, or just for a seemingly brief moment of theirs…the absence of them takes a piece of you with them to heaven. A piece of my heart lives in heaven necklace/bracelet makes a wonderful piece in memory of a special loved one and it is a great gift for someone who has lost a loved one.