This magnetic inspection display viewer film is nice for those who need to study magnet fields in detail. The magnetic pole display film provides a high-definition view of magnetic poles and fields, the magnetic properties will be clearly displayed, making it ideal for scientific research and education. Features -Color:Olive Green -Material:Iron -Size:5.00X3.00X0.10cm/1.97X1.18X0.04in -Clear magnetic pole visualization: the magnetic display viewer film offers clear visualization of magnetic poles, making it easy to identify them -Effortless magnetic pole observation: this magnetic observation viewer sheet allows for effortless observation and identification of magnetic poles -Ideal for education use: the magnetic circuit display viewer sheet is ideal for education use, helping the students learn about magnet fields -Research and laboratory use: the magnetic circuit observation film is nice for research and laboratory use, providing clear insights into magnet fields -Portable and lightweight: the magnetic pole display viewer sheet is lightweight and portable, making it convenient for use in different locations Package list: 1 x magnetic pole observation sheet