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Cards. Sleeves. Storage. Sorted.

Find the right fit for your cards.

Check your setup before you buy.
Choose your cards, add sleeves, see what fits.

Card fit checker

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Quick start
1Your cards

63 × 88 mm · Standard cards; specialty formats can vary.

2Your sleeves
3Where they go
Your result

Fits

100 single-sleeved cards · Ultimate Guard Boulder 100+

Estimate

Estimated thickness per single-sleeved card: 0.56 mm.

LIMIT68.3 mm57.6 mm100 cards = 57.6 mm vs 68.3 mm interior
Estimated stack against published interior depth. Box outline is schematic.
Why this result? 5 sources
  1. Estimated thickness per single-sleeved card: 0.56 mm.
  2. 100 cards make an estimated 57.63 mm stack including a 2% allowance for air.
  3. Reported interior depth: 68.3 mm. Estimated maximum: 118 cards.
  4. Card stock, film, trapped air and compression vary. Test a small stack without forcing the lid.
Read the fit methodology
Other boxes to consider 3 options
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Specifications, published fit reports and clearly marked estimates.How we check fit

What are you looking for?

173 products in the catalog

Find your sleeve size

Sizes, inner sleeves and product specs

Choose a deck box

Single and double-sleeved capacities

Organize a collection

Pocket sizes and toploader binders

Protect a single card

Holder sizes and thickness ratings

A little help choosing

All guides ↗

Do toploaders fit in binders?

Regular pockets vs purpose-built holders

Vault X binder sizes

Compare pocket counts and capacities

How to double-sleeve cards

Sleeve orientation, trapped air and fit

100 cards in a Sidewinder 100+

A specific sleeve combination, explained

Know what’s behind the answer.

We bring together manufacturer specifications and published fit reports. Calculations are labeled as estimates, and missing evidence stays visible.

Our fit methodology ↗About Card Fit Lab ↗