I probably use these a little differently than most. For smaller sets, I have kept my cards (baseball and football) in a binder in Card Saver 1s in 4 pocket pages. At first it didn't work so well because the Card Saver 1s slipped around and sometimes out of the page pocket, but Perfect Fit solved that. I put the Card Saver 1 into the Perfect Fit sleeve and slide that down into the pocket and fold the adhesive part over the front part of the pocket. It is so clear, you can't tell it's there. This works well with the few graded cards I have in my sets, too. My pictures aren't very good quality, but you get the idea.
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