The page protectors that are compatible with this album are:
Colorbok 12 x 12
I love the fact that this album indeed fits 12" x 12" papers without any trimming. I only have the one black one. I have not noticed any problems with its cover becoming disheveled. The pages all lie very nicely. I have not opened it up and added or subtracted any pages and probably won't since the album I have is completed. My biggest disappointment is that I only have to one... and will be forced to buy more of these to complete other projects.... :)
I can't tell you how much I love these albums. This is my go to album. Love love love. I can't say enough about the product. This is the one and only album I have been using for the last 10 years or so.
I purchased "The Perfect Scrapbook" in a lovely sage green color. True to its claim, your 12x12 layouts will fit perfectly down into the protectors. No trimming needed.
What ruined it for me was that the cover of the album is not durable! I've only been using mine for about 6 months and you can see all kinds of scratches and markings on the cover. It is horrible! I've never had that problem with other albums. Next tim, I am sticking to fabric covered albums---I believe they are more durable.
Hope this helps you make a decision!