Product description SPECIAL DESIGN: Each clip has a stud in it. In the middle of the clip, there is a spring that you can press hard on the end to hold the picture in place and then apply the stud to the corkboard. This design doesn't leave traces on your pictures or anything else. STRONG AND DURABLE: The push pin with wooden clips are made of wood and metal, durable, safe and environmentally friendly. It is not easy to fall off after long use. WIDELY USED: These wooden pin pins are suitable for paper, artwork, ticket stub, home decoration, photo, picture, note, business card, paper and other documents. BOX-PACKING: Push pin with wooden clips are packed in a small transparent box to keep your desk or desk drawer organized and portable.^WHAT YOU GET: 50PCS Colorful Push pin with wooden clips, welcome guide.