Materials: made of wooden and metal, which is sturdy and durable, suitable for you to use for long time.^Easy to use & efficient: there is a stud in each wooden clip, and a spring in the middle of the wooden clip, you can force the tail to hold the picture or other items, and then applied the stud on the cork boards, very convenient for you to use.^Size: approx. 3. 5 x 0. 9 x 0. 7 cm/ 1. 4 x 0. 35 x 0. 28 inches; Color: the clips are natural color and push pins are silver.^Wide application: fit for your photos, artworks, notes onto cork boards or other places where pins can be fixed without leaving a hole, also suitable for you to use in offices, homes, schools.^Package includes: 50 x push pins, 1 x plastic box; Note: small items, please keep away from the children under 3 years old Clips and tacks are glued together, and there might exist detached situation in transition, you can reconnect it with glue easily.