Postcard size

Postcard is an image card that can be delivered directly and written with text content. Images can be photography, painting and design. Postcards in different places have different sizes, as shown below:

1. The maximum size of international postcards stipulated in Universal Postal Convention is 105x 148mm, and the minimum size is 90x 140mm.

2. The standards stipulated in China are the maximum size: 150X 100 mm, the minimum size: 140X90 mm, and the paper quality: more than 250g per square meter.