10 colours and designs. Tap to see each one.
Ultimate Guard · Deck boxes
Ultimate Guard Boulder 100+
Available in 10 colours/designs: Amber, Amethyst, Emerald, Frosted, Malachite, Onyx, Poppy Topaz, Rhodonite, Ruby, Sapphire.
€10.99 at Ultimate GuardPrice checked Oct 15, 2026
Where to buy
- Ultimate Guard store €10.99checked Oct 15, 2026 Buy at Ultimate Guard (opens ultimateguard.com in a new tab) ↗
Prices come from each store's own product page and can change. How we make money.
Specifications
| Card size | Standard 2.5" × 3.5" |
|---|---|
| Max card thickness | Not published |
| Sleeved cards | Not stated by the manufacturer |
In the maker's words
- “Designed to combine with all Ultimate Guard mass storage boxes, Boulders fit especially well into Arkhive, Superhive, and Flip'n'Tray boxes.”
- “*Designed for Ultimate Guard sleeves.”
- “Sleeves from other brands may affect the capacity.”
- “Product Data SKU UGD010690 GTIN 4056133006132 Capacity (double-sleeved) 100 Capacity (single-sleeved) 120 Capacity (unsleeved) 210 Color Yellow Product Depth 75 mm Product Height”
This product is listed from the maker's catalog but is not in the Fit Finder: we only add products whose size or thickness rating we've checked line by line. How we verify products.