Materials: Rhinestone. Earring posts: 925 sterling silver, which will be friendly to sensitive skin. Earrings Size: 2cm wide, 2.5cm long. Necklace Size: 41 cm-- 49cm. (14.15inches -- 19.29inches) ** Please make sure to look through all of the pictures I have provided, as they are part of my description.** ==Care Instructions== *To maintain the luster of your jewelry, avoid contact with water, lotions, and perfumes. Store it in a cool, dry place when not in use. *Please note that to prevent aller