Description Made of plastic, resin material. You can buy these tools with confidence and you can send them to your friends.With the multi-purpose, they can be used in many ways, very convenient. It can also be a perfect gift choice. Features -Color:As Shown-Material:Plastic, resin-Size(back ):1.60X1.40X0.30cm/0.63X0.55X0.12in-Size(needle back):1.00X0.90X0.90cm/0.39X0.35X0.35in- Great for use as lapel pin backs, brooch pin backs, tie pin backs hat pin backs, fits on tie tacks, badge pin, name tag, etc. - Compact shaped handle on the pin back is designed for easy grasp, bring you convenience. - With smooth opening and closing, the replacement pin back is well secured, safe to use. - Also can used for jewelry making and DIY craft projects, very professional to use for diy. - Mini safety pin back clutch. Lightweight and portable design, which is easy to carry and store. Packing list: 1 x box of Pin Backs