Dimension

All Card Types can be of the following dimensions –

Width x Height (in pixels)
550 x 400	525 x 400	500 x 400	475 x 400	450 x 400
550 x 375	525 x 375	500 x 375	475 x 375	450 x 375
550 x 350	525 x 350	500 x 350	475 x 350	450 x 350
550 x 325	525 x 325	500 x 325	475 x 325	450 x 325
550 x 300	525 x 300	500 x 300	475 x 300	450 x 300

Additionally, Postcard & Animated Cards can be of the following dimensions –

Width x Height (in pixels)
350 x 475
400 x 500
425 x 400