

💼 Protect your deck like a pro—because your cards deserve the ultimate guard!
The Ultimate Guard Boulder 100+ Classic Deck Case in Amethyst is a premium, eco-friendly storage solution designed to hold over 100 double-sleeved trading cards. Featuring a durable, rigid build with a secure flip-top closure and a luxurious soft-touch finish, it offers both protection and style. Its modular design allows easy stacking with other Ultimate Guard products, making it perfect for organized, on-the-go gamers who demand reliability and flair.
















| ASIN | B06XGRRHSS |
| Best Sellers Rank | #3,836 in Toys & Games ( See Top 100 in Toys & Games ) #21 in Collectible Trading Card Cases |
| Brand | Ultimate Guard |
| Brand Name | Ultimate Guard |
| Capacity | 0.2 Liters |
| Closure Type | Flip Top |
| Color | Amethyst |
| Customer Reviews | 4.8 out of 5 stars 5,652 Reviews |
| Global Trade Identification Number | 04056133006187 |
| Included Components | Ultimate Guard Boulder Deck Case 100+ Amethyst, card protectors |
| Item Dimensions L x W x H | 2.99"L x 2.95"W x 3.88"H |
| Item Type Name | Ultimate Guard Boulder Deck Case 100+ Amethyst |
| Item Weight | 4 Ounces |
| Manufacturer | Ultimate Guard |
| Manufacturer Warranty Description | No Warranty |
| Material | Recyclable eco-friendly material with soft-touch finish |
| Material Type | Recyclable eco-friendly material with soft-touch finish |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Opening Mechanism | Lift-Off Lid |
| Other Special Features of the Product | Durable |
| Package Quantity | 1 |
| Pattern | Solid |
| Recommended Uses For Product | For Trading Cards |
| Shape | Rectangular |
| Special Feature | Durable |
| Storage Volume | 0.2 Liters |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1.0 Count |
| Water Resistance Level | Not Water Resistant |
K**K
Quality.
There is nothing really to complain about - I've used Boulders for a while now with my EDH decks and I've never been disappointed, these deck boxes are fantastic and come in a great range of colors. If there was anything to nit pick, it's that it's that if you have a bunch of tokens, especially sleeved/double-sleeved ones, you may have trouble fitting your deck comfortably in this. Otherwise it's great for deck storage, the top is very secure but easy to open, and the vibrance of the colors, especially this pink one, is fantastic.
B**E
Best MTG Cases
The best boxes for MTG commander decks. Sleeved cards fit really well and has room for tokens. Snug enough to keep everything in place.
R**S
Guarding My Cards in Style – The Envy of Every Player!
I recently purchased the Ultimate Guard Boulder 100+ Deck Case in Amethyst for my new Digimon deck, and I couldn't be happier with my choice! As someone who regularly plays with a group of friends, having a reliable and stylish storage solution is essential, and this case ticks all the boxes. Firstly, the soft-touch finish of the case feels amazing in your hands and adds a touch of elegance. The amethyst color is vibrant and stands out, making it easy to spot in a pile of other card cases. But what really impressed me was the durability of the case. I’ve had it in my bag during several game nights, and it has withstood the bumps and knocks without any scuffs. My cards feel secure and protected inside, thanks to the sturdy construction. One of the best parts about bringing this case to our Digimon play group is the envy it has sparked among my friends! They’ve all been really impressed by how well-made and stylish this deck case is. I can’t tell you how many compliments I’ve received and how jealous my play group is. It’s become a bit of a running joke that I need to bring my back-up cards just in case they can’t resist “borrowing” my case for their own decks! Overall, I highly recommend the Ultimate Guard Boulder 100+ Deck Case for anyone who plays TCGs like Digimon. It offers excellent protection for your cards, looks fantastic, and might just make your friends a little envious too! Whether you’re playing casually or competitively, this case is a great investment for any card collector.
C**R
Best TCG deck box
Ok 1st of all. Does it fit 100 double sleeved cards as advertised? Yes, just barely. Expect a very tight fit. I would say the true max capacity is 105-110. Still fits my bling'd out deck with a lot of foils in various condition. If you have foil cards that have developed a flex, a tight fitting deck box, on top of double sleeving helps quite a bit. Expect to have to squeeze slightly getting a full deck in. Some features I like about the box. Overmolded plastic exterior is durable, scratch resistant, and soft to the touch. (Sets it apart from copycat products.) Almost no wasted space inside the box makes this a great choice if you want to store all of your decks inside a case with standard card dimensions. The top half pops off easily (looking at you UltraPro tower) with your thumbs and can be used as a second box to help keep you organized while you are sorting/playing the cards. Different colors are interchangeable, and the case is partially translucent. So you don't usually have to open the box to know what's inside and you can color sort them if you own several. There are a bunch of other products out there. Some of them are way cooler, but this is hands down the best deck box if you want a hard-sided, compact box that is scratch and water resistant, and DROP SAFE! My opinion: The options with the dice tray strays from the ultra simple concept of the original and the UltraPro Tower begins to look better in comparison.
K**E
My go-to TCG deck box brand!
An all-around great deck box! I love all the colors, and how sturdy it is. A simple design. Very functional. And the price point is very affordable. I always buy Ultimate Guard deck boxes anymore!
D**N
Very Sturdy
I bought the blue and red boulders as they matched the colors I wanted to run (mono red and simic). Upon receiving them, I tried to put my 100 double sleeved cards (katana outers and dragon shield inner sealables) and it absolutely does not fit. Why did I rate it 4 stars? While it didn't fit my decks, that was mostly an error by me for not checking to ensure they will fit double sleeved cards for a commander deck. It's still way sturdier than the Mlikero acrylic deck boxes and does not feel filmsy at all. Pretty sure if I drop this box on a table, it wouldn't be too big of a deal. I'm keeping to store either single sleeved cards or cards I don't plan on using.
J**A
The best deck box
Only deck boxes I use. 😏 ultra nice quality, stores cards well and safely. Teamed up with their hive boxes, super easy to stash a ton of decks in a backpack ORGANIZED for FNM. Best brand for tcg needs, great value on the quality products.
J**N
Great for MTG and KeyForge!!!
TLDR: Great box, FFG sleeves did not fit, be aware of that if using any with similar dimensions So, I used to be one of those "a box is a box is a box" kind of players. As long as a deck was sleeved, I didn't much care what else they were in. And so, I've been using those $3 and $4 Ultra-Pro slip cover things for years. Now that I just recently got into KeyForge though, I decided to shop around a bit and found Tolarian Community College on YouTube. Once I saw these I fell in love and bought four and they do not disappoint in person. Their closing is near perfect, and as there is no such thing it is not worth complaining about. They feel amazing on the outside, they don't flex like those cheap ones, and while scratching may be a thing in the future, since plastic isn't steel its, again, not really worth complaining about. They If these aren't your style, go check out TCC, he has reviewed a TON of other boxes. The Professor's review is going to be far more eloquent and demonstrative than I can be here, so go watch it for the best impression of these. I did want to point out the one issue I had with mine, though. I had my decks sleeved in a combination of those from Fantasy Flight Games, Ultra-pro, and Dragon Shields. The Shields fit with zero problems. I can fit 2 KeyForge decks in a single Boulder with room to spare. Same with the Ultra-pro ones. However, the slight additional length above the card top of the FFG ones prevented the box from closing properly and I had to re-sleeve that deck in Shields in order to store it in a Boulder. So, if you have invested into FFG sleeves, avoid this box or else you'll need to reinvest in a sleeve of slightly shorter dimensions.
Trustpilot
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