SafelySleeved

Perfect fit sleeves

Snug inner sleeves sized to the card, used under a second sleeve.

Perfect Fit sleeves are thin inner sleeves worn under a normal deck sleeve, and the choice that matters is which end they load from. Dragon Shield sells three formats and ranks them by protection in its own guidance: sealable gives full four-edge protection without glue, toploading gives less, and sideloading is explicitly described as not providing as much protection as toploading but faster to double-sleeve with.

The three formats, ranked by the manufacturer

Most sleeve buying decisions come down to preference. This one does not, because Dragon Shield publishes an ordering. Sealable Perfect Fit sleeves are described as the best way to protect valuable cards, offering full four-edge protection without using any glue, at the cost of taking longer to assemble. Toploading sits below that. Sideloading is stated outright to not provide as much protection as toploading, its advantage being that it is faster to double-sleeve with.

So the honest recommendation runs by card value rather than by taste. Cards that are valuable and static get sealable. Cards that get played get toploading. Sideloading is for sleeving a lot of cards quickly where the individual cards are not extremely valuable — which is exactly how the manufacturer positions it.

This is unusually clear guidance for this niche and it comes from the company selling all three, so it is worth taking at face value rather than looking for a contrarian angle.

Orientation is the whole point

An inner sleeve that loads from the same end as the outer sleeve achieves nothing — both openings line up and the card is still exposed at the top. The closure comes from opposing the two openings, and Dragon Shield specifies the sequence.

For toploading Perfect Fits: the card goes top first into the inner sleeve, then the inner-sleeved card goes bottom first into the regular sleeve. The inner sleeve's opening ends up at the closed bottom of the outer one.

For sealable: the card enters top first with its front facing the flap side, and the flap slides between the card back and the sleeve before the card is fully inserted. That is what closes the fourth edge without adhesive touching the card.

Specification, and what 100 µm buys

Dragon Shield's Perfect Fit Thick inner sleeves are polypropylene, listed at 100 µm, for cards measuring 63 × 88 mm. Polypropylene is one of the stable plastics conservation guidance accepts for long-term contact with collections, which matters more here than for an outer sleeve because an inner sleeve is in direct, permanent contact with the card face.

The 100 µm figure is the thick version, and thickness is the trade. Dragon Shield notes that double-sleeving increases the overall thickness of the deck, and that is not a small effect across sixty cards: a deck box rated for single-sleeved cards may no longer close.

Note that manufacturers quote sleeve products against a 63 × 88 mm card while the standard card is more usually given as 63.5 × 88.9 mm. That is ordinary manufacturer variance in how the nominal size is stated, not two different cards.

Where tournament rules cap this

Dragon Shield documents triple sleeving — slide an outer sleeve over a double-sleeved card with its opening facing opposite the regular sleeve's — and for a card that lives in a binder that is a legitimate thing to do.

For a card that gets played, it is usually illegal. Konami's Yu-Gi-Oh! policy allows up to two sleeves per card and no more. Bandai's One Piece manual allows up to two sleeves per card and adds that judges may order sleeves removed if they consider the sleeving excessive. Check the game before building a deck around three layers.

The other rules constraint that catches double-sleevers is opacity and clarity. Konami requires one of the two sleeves to be clear on both sides, so an opaque inner sleeve under an opaque outer one is not legal there; Bandai requires the deck to read as opaque. The inner sleeve is where that requirement is usually satisfied.

Common questions

What is the difference between toploading and sideloading perfect fit sleeves?
The end they load from, and the protection that follows. Dragon Shield states that sideloading Perfect Fit sleeves do not provide as much protection as toploading ones, but are faster to double-sleeve with.
Which perfect fit sleeve gives the best protection?
Sealable. Dragon Shield describes it as full four-edge protection without using any glue, and as the best protection available, at the cost of taking longer to assemble.
Which way round do perfect fit sleeves go?
Opposite the outer sleeve. For toploading Perfect Fits, the card goes top first into the inner sleeve, then bottom first into the regular sleeve, so the two openings end up at opposite ends.
How thick are perfect fit sleeves?
Dragon Shield's Perfect Fit Thick inner sleeves are listed at 100 µm, in polypropylene, for 63 × 88 mm cards. The added thickness is why a double-sleeved deck may no longer fit its deck box.
Is triple sleeving allowed in tournaments?
Generally not. Konami's Yu-Gi-Oh! policy caps you at two sleeves per card, and Bandai's One Piece manual allows two and lets judges order excessive sleeving removed. Triple sleeving is a storage technique, not a play one.

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