Horizontal
3.43" x 1.93"
87mm x 49mm
1028 x 579 pixels

Vertical
1.93" x 3.43"
49mm x 87mm
579 x 1028 pixels

Horizontal
3.54" x 2.05"
90mm x 52mm
1062 x 615 pixels

Vertical
2.05" x 3.54"
52mm x 90mm
615 x 1062 pixels

Finished artwork should use the full bleed dimensions for best results.