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Rigid shell, soft-touch matte finish
Holds 100 double-sleeved or 120 single-sleeved cards
Solid Black — approx. 76 x 75 x 98.5mm, made in Germany
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Keep your deck locked down and looking sharp. The Boulder 100+ Solid is Ultimate Guard's rigid, monochrome deck case — built to match their Arkhive storage line, with a soft-touch finish, a secure closure and room for a fully double-sleeved deck. Solid Black looks the business at any table and shrugs off the knocks of regular play.
Why it's good
Rigid, durable shell holds its shape through bag life and match after match
Soft-touch coating feels premium and hides fingerprints better than gloss
Secure closure with genuinely easy one-handed opening
Modular design combines with other Ultimate Guard Arkhive storage
Ideal for your Commander deck, your Standard brew, or whatever you're jamming this week — low-key enough to match any playmat, tough enough to actually protect what's inside.
Solid Black finish, made in Germany. Pair it with a pack of Ultimate Guard sleeves for double-sleeved peace of mind, or browse the full deck box range for other sizes and colours.
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Rated 4.95/5 from 840+ reviews
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Ultimate Guard - Boulder Deck Case 100+ Solid Black
Sale price£8.99
Regular price £9.99You saved10% OFF
1
review
Frequently Asked Questions
How many cards does it hold — and does that count sleeves?
Capacity figures on deck boxes are for sleeved cards, so a box rated 100+ holds a 100-card deck in standard sleeves, with the plus giving headroom for a few tokens or extras. If you double-sleeve, treat the rated number as optimistic and size up.
Will a Commander deck fit?
A 100+ box takes a Commander deck in single sleeves with a bit of room for the commander and a handful of tokens. Double-sleeving, or carrying a full token and dice setup, wants a 133+ or larger — the extra couple of pounds saves the daily annoyance of a lid that won't quite shut.
Is it worth paying more for a premium deck box?
For a deck you carry around, usually. The differences that actually matter are a lid that stays shut in a bag, a shell rigid enough to survive being sat on, and a lining that won't scuff your sleeves. A cheap box is perfectly fine sitting on a shelf — it's transport that finds its limits.
Can I store a deck in here long term?
Yes, as long as the cards are sleeved and the box lives somewhere dry and out of direct sunlight — light and humidity do far more damage than any box. If you're storing a collection rather than a deck, a portfolio is easier to browse and kinder to the cards.
