Basics
Penny sleeves vs toploaders: why you need both
The soft sleeve and the hard shell are not rivals. Each one fails at the other’s job, which is the whole point of using them together.

What a penny sleeve does
A penny sleeve is a thin, soft polypropylene pocket, 2.6" x 3.6" in our sets. It is there for the surface: dust, fingerprints, the grit in a card box and the friction of sliding against other cards. It does almost nothing for shape. Bend a sleeved card and it bends.
What a toploader does
A toploader is a rigid 3" x 4" shell. It is there for shape: corners, edges, the weight of other cards in a box and the indignity of a mail sorter. On its own it is hard on the surface, because a bare card slides around on rigid plastic every time the shell moves.
Why the order matters
Sleeve first, then shell. The sleeve rides between the card and the rigid plastic, and it also gives the card a smooth leading edge so it goes into the shell straight instead of catching a corner on the lip. Going the other way round, or skipping the sleeve, is how cards end up with soft corners and fine scratches nobody can explain.
- Base cards you keep in bulk: sleeve only, in a storage box
- Cards you care about: sleeve plus toploader
- Cards headed to a grader: sleeve plus semi-rigid
- Cards on display: bare card in a magnetic holder
Do you really need one sleeve per shell?
Yes, which is why every PJU toploader set comes in matched counts, 100 hard with 100 soft and up. Running out of sleeves while you still have shells is the moment people start cutting corners, usually literally.



