If the "mp4" suffix refers to a video file format, you may be looking for information about the video rather than a physical product. To help find the correct paper, could you clarify:
Glossy photo paper А4, 230g., 50 sheets, Inkway Z (Premium) 27319mp4
Glossy photo paper А4, 230g., 50 sheets, Inkway Z (Premium) If the "mp4" suffix refers to a video