Cards are:
12.7 x 17.8 cms
or 5 x 7 ins

EC Cards are:
120mm x 167mm
or 4¾ x 6¾ ins

Posters are:
50 x 70 cms
or 19¾ x 27¾ ins

Smaller Posters are:
280mm x 356mm
or 11 x 14 ins

240mm x 300mm
or 11¾ x 9¾ ins