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63.5x88mm card sleeves Perfect Square Standard Sleeves (63.5x63.5mm) 110 Pack, 60 Microns, SK – sleevekingsPerfect Square Standard Sleeves (63. 5x63. 5mm) 110 Pack, 60 Microns, SKS 8847 Protect your favorite square format cards with Sleeve Kings Standard Card Sleeves, designed for medium square cards measuring 63. 5 x 63. 5 mm. These clear sleeves are suitable for board games and tabletop games that use square card formats. Made from 100% polypropylene, these sleeves are crystal clear, acid free, and PVC free to support long term card storage and regular
Perfect Square Standard Sleeves (63.5x63.5mm) 110 Pack, 60 Microns, SKS-8847
Protect your favorite square-format cards with Sleeve Kings Standard Card Sleeves, designed for medium square cards measuring 63.5 x 63.5 mm. These clear sleeves are suitable for board games and tabletop games that use square card formats.
Made from 100% polypropylene, these sleeves are crystal clear, acid-free, and PVC-free to support long-term card storage and regular gameplay. The 60 micron thickness provides balanced durability, smooth handling, and easy shuffling for casual and frequent players.
Each pack includes 110 clear card sleeves, compatible with popular games such as On Mars, Oathsworn: Into the Deepwood, Aeon's End, Cyberpunk 2077: The Board Game, and more.
SKU: SKS-8847.
- Precise Fit for Square Cards: Tailored for cards measuring 63.5 x 63.5 mm, providing a secure and consistent fit for On Mars, Oathsworn: Into the Deepwood, and other square-format board game cards during play and storage.
- Comfortable Shuffling & Handling: Durable 60 micron sleeves offer smooth handling and easy shuffling, helping reduce friction and wear during frequent gameplay and regular use.
- Clear Card Visibility: Made from transparent polypropylene to keep card artwork, text, and details clearly visible while protecting cards from dust, fingerprints, and everyday handling.
- Archival-Safe Materials: 100% polypropylene construction is acid-free and PVC-free, designed to support long-term card storage without affecting card appearance or print quality.
- 110 Count Pack: Includes 110 clear card sleeves for everyday play and storage. SKU: SKS-8847 is clearly labeled for quick size confirmation and easy identification. For more info on how we do this click HERE.
These sleeves are compatible with Medium Square Sleeves (63.5 X 63.5 MM) sized cards.
** Note Game Titles and their intellectual property rights are © and TM of their respective rights holders, no challenge to these rights is expressed or implied. Compatibility claims only extend to the physical size of the cards in each respective game and no claim to endorsement or authorization by the respective rights holders is expressed or implied by Sleeve Kings or Imperial Publishing. Our products are compatible with the respective games only and all rights are reserved by the respective rights holders.
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4.7 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
More Theory than Actionable Advice on Game Design
Format: Paperback
Not a bad book, but not what I expected going in. I read this for a bookclub like event on twitch. I thought there was going to be actionable advice. Like 'do X to make Y feel". The introduction points out that the book is not about the emotional feelings a player receives from games, and this is true.
The book DOES provide a language for discussing game design at a more academic level. It is about the theory of how a game feels, and while I didn't agree with everything Steve wrote it was easy enough to follow the thoughts.
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Reviewed in the United States on June 16, 2025
★★★★★ 5
MUST HAVE for game devs
Format: Paperback
Fantastic book about the theories of what makes a game feel good and fun to play. I'd be doing the author a disservice if I attempted to explain it myself, just purchase the book and read it for yourself. Written very well and easy to understand even while going into very complex and intricate explanations.
I'd say that this is a must have for any game developer. Hell, even for those who are just interested in learning more about games.
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Reviewed in the United States on May 17, 2017
★★★★★ 5
A must have
Format: Paperback
If you're into game development and design you'll definitely need to have this wisdom
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Reviewed in the United States on June 21, 2023
★★★★★ 5
Good for your smart friends who like games
Format: Paperback
Got this for a friend I flipped through it before I gave it to them I didn't understand what it was but they seem pretty happy to get it
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Reviewed in the United States on June 13, 2020
★★★★★ 5
Great Reading, Mind Opening
Format: Kindle
This is a terrifically interesting and entertaining book, which presented me with at least two blockbuster ideas that changed the way I think about the past. I'll get to those in a minute, but first a few general points. Charles Mann is a science journalist:who seems to specialize in BIG topics. His 2005 book ("1491", which argues that the pre-Columbian population of the Americas was much larger and more sophisticated than generally assumed), was very well received. I enjoyed it so much, and thought it so valuable a book, that I was very anxious to read "1493".
"1493" lived up to my (high) expectations. Mann is remarkable writer, with an extraordinary ability to present very complex facts and ideas in way that's not just accessible to the lay reader, it's fun for the lay reader. This isn't to say that the book isn't carefully researched -- the text is followed by almost 100 pages of footnotes, and throughout he cites and acknowledges the scientists and others from whom he has drawn information. It's just that Mann manages to combine a myriad of facts and hypotheses into a compelling narrative. And he often puts this in very concrete terms, focussing on individual people, commodities or events. It adds up to a fascinating read.
It is also a very important one, with implications for the future as well as about the past. Mann's subject in this book is the Columbian Exchange, the sudden movement of plants, microbes, animals and people between the eastern and western hemispheres after Columbus' voyage to the Americas in 1492. A well known effect of this was the eastern hemisphere adoption of western hemisphere foods (tomatoes, potatoes, chocolate, coffee, and on and on). Another effect that's only been recently come to be widely understood is the devastating impact on the pre-Columbian population of the Americas; as many as 80% died in the epidemics that followed the introduction of diseases to which they had no immunity. But the population die-off and the exchange of plant species are not the only effects of the Columbian Exchange. Mann's book explores the myriad ways in which the Exchange -- globablization -- has shaped the world of today.
Two things I learned from the book struck me particularly. First, like most Americans of my generation (older) I learned in school that the colonization of the Americas was carried out by white people, who moved into a largely uninhabited continent. "1491" took care of the uninhabited: "1493" takes care of the white. Mann says that from 1500 to 1840, about 3.4 million white Europeans emigrated to the Americas. Over the same period, about 11.7 million captive Africans were sent to the Americas. Except for New England, much of the United States and most of Latin American was far more black than white. (And probably in 1840 still more Indian/Native American than anything else). The racial balance changed as white immigration ramped up and as millions upon millions of blacks died too young, but the picture of early America looks very different to me now.
Secondly, Mann discussed at length the 19th century ecological disaster that engulfed China. I had always assumed that the floods that killed so many millions in China had always happened, and were the result of geography. There have indeed always been floods, but their severity and human cost grew logarithmically in the 19th century. New crops led to more food and to rising population growth, and at the same time to more potential cash crops, increasing the pressure on existing land holdings, and leading to vast land clearances. That made the floods far worse when they came, undermining the political structure and compounding China's problems. This was interesting not just a light on the past, but as a warning signal for the future.
The review is already too long, so, to sum it up: Great book!! Read it!! Give it to friends and family!!
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Reviewed in the United States on December 6, 2013
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