This thumbtack set is made of plastic, which is very . Kids will love these colorful and adorable push pins. They'll brighten up any environment – even a dreary office cubicle! Perfect for marking on maps, calendar and whiteboard. Features - Color: Red. - Material: PP and metal. - Size: About 1x1x2.3cm. - Practical tool apply to mark locations, points of interests, travel routes, addresses future on maps and so on. - The heart shaped thumbtacks are not easy to break. - Suitable for displaying notifications and reminders or offices, classrooms, dorm rooms, etc. - Can be used in calendars, whiteboards and maps, etc. - for small children, so keep these up high and out of reach of youngsters. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: Drawing