This DIY necklace clasp is made of copper materials. It is a great accessory for DIY your necklace, bracelet and other jewelries. They are perfect for your homemade jewelry or repairing your existing jewelry or making a necklace. You can also make a special gift with these DIY necklace buckle for your friends and family. Features -Color:Assorted Color -Material:Copper -Size:4.30X1.00X1.00cm/1.69X0.39X0.39in; 4.50X0.60X0.60cm\1.77X0.24X0.24in; 4.00X0.80X0.80cm/1.57X0.31X0.31in - The design on the lobster clasps allows them to easily connect to each other, very convenient to use. - The color and appearance design of the clasp is appropriate, which can match well with different style of jewelries. - It can be used to attach various of charming pendants to an attractive jewelry, to create a piece of new jewelry. - The clasp is suitable for making jewelries, and you can also send the finished products to your loved ones as gifts. - The necklace clasps closures are made of preferred copper materials, safe, durable and shiny, and does not fade. Package list: 6 x pairs of necklace clasps