That heavier photo paper that makes that woobloooblooobl noise
Fits snug in18x24 picture frames
Disclaimer: The 24x36 version of the poster will be slightly stretched to accommodate the size increase. As the 18x24 is a 3:4... the 24x36 is a 2:3. We don't believe this had any noticeable difference in quality, but it may be noticeable if you purchase both sizes.
