If you want to make a light photo album, the print size is A5, and the print size of the photo album half smaller than A4 is 210x140;
Print size of photo album that wants to save money than A4: B4 size, and the photo album size one circle smaller than A4 is 260x185;
Lightweight and economical photo album printing size: B5 size, half smaller than B4 and one circle smaller than A5;
Print size of high-grade atmospheric photo album: generally use two photo album sizes: 250X250 or 285X285;
If you want to make a high-end photo album, there is also a printing size: 370X250, which is also an optional size for high-end photo albums;
Very atmospheric high-end photo album printing size: 420X285, generally only used to display high-end products, the printing volume will not be too much;
There is also a square photo album print size: 2 10X2 10, but this size is similar to printing A4 photo albums, except that you print large numbers.
Other photo album print sizes: 128X250, 138X285, 140X 105, 125X285.
It is difficult to define this design. Different regions charge different fees, and different companies charge different fees. You can consult several companies and compare them.