Our pieces are made with 18k rose gold, white gold and 925 sterling silver filled chains. Our pendants are crafted from rhodium , gold and rose gold high quality plated materials and are nickel and lead free . Measurments of pendants are as follows : Round pendant:15mmThe overall length of all necklaces includes the pendants as well. Please choose your birth month flower from the drop down box. Styles and colours may vary according to stock*.Please choose the length carefully as we charge a remake fee should you decide to change the length. More information in our FAQs.