I've been using a Quiver Card Case and I've been looking for a deck box that fits inside while holding my double sleeved cards. I'm considering purchasing a Ultimate Guard Boulder 100+ Deck Case to store my double sleeved cards in. The product description says:

Designed for 100 double-sleeved or 120 single-sleeved standard sized cards
Inner Dimensions: 68.5 x 67.5 x 93 mm

However, I've been double sleeving my cards with Dragon Shield Perfect Fit Sealable inner sleeves to really protect my expensive cards. These inner sleeves have a design where the sleeves fold in on themselves to seal the card inside the inner sleeve. This makes the thickness of the inner sleeve one extra layer thick.

Since I don't have the product on hand, I'm unable to test exactly how many of my double sleeved cards might fit inside the deck box.

These cards are for Magic: the Gathering, so typical deck sizes are 100 cards or 75 cards. I don't think I'll be able to fit in the 100 cards, but might I still be able to fit the 75 cards inside?


If I try to measure my decks that are double sleeved and squish them really tight to get all of the air out, I get these approximate measurements:

Number of Cards in Deck Size
100 73mm
90 67mm
75 55mm

It seems like a 75 card deck will easily fit within the 67.5mm size of the boulder case, but a 100 card deck is definitely too big. With my rough estimations, I can fit approximately 90 of these kinds of double sleeved cards inside a deckbox, which is under what I was hoping for.

These measurements were done imperfectly with a ruler, but provide a reasonable approximation.

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