These enamel pin backs are made of rubber material, small in size, lightweight and durable for long time use. The brooch locking pin back is applicable to , , name tags, brooch, tie tack lapel. Also can be used for jewelry making and DIY craft projects. Features -Color:Assorted Color -Material:Rubber -Size:1.10X0.80X0.80cm/0.43X0.31X0.31in -Durable and Practical: Made of rubber material, with simple shape design, which can be durable and practical, providing use and functionality -Professional Jewelry Making: Also can be used for jewelry making and DIY craft projects, very professional, providing versatility and adaptability for -Great for Gifting: You can use these tools can send them to your friends, providing a great option for giftgiving and sharing. -Multipurpose Use: With the multipurpose, they can be used in many ways, very convenient and practical to use, providing versatility and adaptability for various applications -Enhances Style: Elevates style: enhances lapels, buckles, and other accessories with a decorative appeal, providing a stylish and decorative touch to various items Package list: 1 of rubber pin backs (150pcs/box)