It was made of alloy. The fastening bar is very sturdy,not easy to bend,long life time.A beautiful sturdy pin attached on the back of each brooch. Merry Christmas, the appearance design of these brooches totally echo the christmas theme. Perfect for Christmas Day or party celebration. A perfect gift velvet jewelry pouch that will be sent together. Ideal jewelry gift for lover, Hotwife, best friend, girlfriend, mother, daughter, friends, bridal, bridesmaids. Well celebration presents on engagement wedding anniversary, birthday, Valentine's Day, Mothers Day, Thanksgiving or Christmas. This brooch is very beautiful,shiny and eye catching.You can wear it on a coat,dress,scarf,shawl,etc.It also can be used as an addition to scarves and hats. Delivery quantity: 4pcs Product colour: Multi-colour Product size: 6.3*7.8CM