The pictures do not do these earrings justice - they're a truly gorgeous with a shiny AB finish which gives a beautiful iridescent effect! These earrings are hypoallergenic, lightweight, and easy to wear. Choose from Pink, Red, White, Aqua, Blue Green or Purple Flowers are approximately 12mm (about .48 inches in diameter). Lightweight resin Roses are set with either nickel free Titanium or Surgical Stainless Steel Posts & Backs - great for sensitive ears. These stud earrings are perfect for a variety of occasions, such as daily wear, wedding, party, engagement, anniversary, graduation, birthday, or any special occasion you would like to be more charming. These earrings are packaged in a beautiful gift box, making them a perfect gift for your loved ones, such as girlfriend, wife, fiancée, daughter, mother, grandma, sister, aunt, best friend, etc. or just as a surprise to remind that special someone how much you care! While these are a great choice for people with earrings sensitivities, those with more severe allergies and sensitivities may still experience issues which are beyond our control. *Regarding Titanium Posts: The pad is nickel-free surgical stainless steel. The post is titanium grade 1.