Material: transparent color of acrylic material I-Shaped pin, rose gold metal tip, reusable, exquisite, beautiful and practical. Quantity: 100 pieces of pins per plastic box, enough to meet your daily learning needs, office data storage and document organization. Size: Each thumbtack about 0.9 inch. Package: Comes with a reusable clear plastic box, easy to store and use, these thumbtacks are no more scattered. Make your desk look neat. Applications: These push pins can be used for cork boards, map markers, paper holders, bulletin boards, calendars and any other place you can post them. By attaching the paper to the board, you get more intuitive information. Essential items for schools, homes and offices. Note: Stitches are dangerous for children, so avoid babies and children. Please do not nail it to the concrete wall.