The page protectors that are compatible with this album are:
Universal 12 x 12 Page Protectors
The quality is superb, even with my kids constantly touching it. I'm using this for project life and it's very convenient. I bought this one as a second one because I add inserts so I wasn't going to get 1 year's worth into just one album. We've gotten several scratches on it but it's no problem because the color goes all the way through the leather. Very vibrant and beautiful.
I like the album and would use this product again, but I disagree with the company's description of the album features that it holds 75 page protectors - I have about 45 page protectors in one and there is no way any more are going to fit. I do have a couple of thicker pages but not 30 pages worth.