Postcards - even a modest marketing budget can make use of them, but there are so many different postcard sizes, how do you choose?
Sizes for Letters
Choosing a print size in the hardest possible way, by Kevin Bralten, You Need to Know These Things
Postcard Sizes: A Guide to the Dimensions
Paper Sizes Explained
Mattress Sizes and Bed Dimensions Guide
4×6 vs 5×7 – Which Photo Size is Best?
Find the Best Instagram Photo Size for Every Kind of Post
How to Choose the Best TV Screen Size
Postcard Sizes: A Guide to the Dimensions