100 Sequential Numbers-- The black flat pins are printed with white numbers., high contrast and easy marking, numbers from 1 to 100, enough for your daily needs. Pin size is about 11mm in diameter, length 16mm, pin: 1 mm. Easy to Use -- Simply push these pins into cork boards, travel maps, foam boards, bulletin boards, etc., except for concrete walls, easy to to mark. And these push pins with black and white design, simple and stylish, also perfect for wall decoration. Wide Application -- These map pins are ideal for marking locations, travel routes, addresses, and others on cards, also suitable for holding important papers in order, such as daily plan, notes, photos, posters and other lightweight objects. Reliable Material -- These flat pins are made of plastic head and iron spear tip, strong and sturdy, not easy to break, available for long term use. Comes with a Plastic Box - - These drawing pins are small in size and large in quantity, come with a box for you to easily organize your pins and help you save space.