The image displays Super Dye Check KD-PT Penetrant, which is a red, oil-based penetrant used in Liquid Penetrant Testing (LPT), also known as Dye Penetrant Inspection (DPI) or Penetrant Testing (PT). This is a non-destructive testing (NDT) method manufactured by companies such as Kyungdo Enterprise Co., LTD (KDE) and used to detect surface-breaking flaws in various materials.