Board Game Kickstarter & Gamefound Sleeve Support | Mayday Games
Crowdfunding Project Support
Helping Board Game Creators Deliver More Value to Their Backers
At Mayday Games and Sleeve Kings, we have been supporting the board game industry for more than a decade. Since 2012, we have worked with publishers around the world to help bring high-quality card sleeves to Kickstarter, Gamefound, and other crowdfunding campaigns. Check out our 2026 catalog HERE for all our games, sleeves and other accessories. We have been actively supporting the community through support for Conventions, Retailers and Crokinole Clubs too!
Card sleeves are one of the most popular upgrades/add-ons for modern tabletop games. Sleeves provide players with a practical way to protect their investment while giving publishers an opportunity to offer additional value to their backers.
Whether you are launching your first crowdfunding campaign or producing your next major release, we can help you provide sleeves that are affordable, high quality, and easy to include with your fulfillment plans.
Why Offer Card Sleeves With Your Campaign?
Many publishers discover that card sleeves are a natural fit as an optional add-on because:
- Many players appreciate protecting their games — especially large, expensive, or campaign-style games with hundreds or thousands of cards.
- Sleeves increase perceived value by giving backers another useful upgrade option.
- They are easy to fulfill because sleeves are compact, durable, and ship efficiently right alongside board games.
- They can create additional revenue opportunities without requiring changes to your core game product.
We have helped many publishers successfully include sleeves as part of their crowdfunding strategy, either as campaign add-ons, pledge upgrades, late pledge options, or post-campaign survey additions.
Sleeve Options for Every Project
We offer a wide variety of card sleeve sizes, thicknesses, and packaging options to match the needs of your game.
Popular options include:
Budget-Friendly Clear Card Sleeves
Our most common recommendation for crowdfunding projects.
Benefits include:
- Keeps your original card artwork visible
- Lower minimum quantities than custom printed sleeves
- Cost-effective for publishers and backers
- Easy to include with existing fulfillment plans
Premium Quality Clear Sleeves
For projects where players expect a higher-end experience.
Benefits include:
- Thicker materials
- Enhanced shuffle feel
- Increased durability
- Premium presentation
Custom Packaging Options
We can also create customized sleeve packaging to complement your game.
Options may include:
- Custom artwork on sleeve packs
- Co-branded packaging
- Game-specific labeling
- Packaging designed to match your game's theme
- Custom counts of sleeves where your game may only have a few cards in specific sizes and full packs of sleeves for each size aren't necessary
Our team can work with your designer or provide templates to help create a professional finished product.
Simple Integration With Your Manufacturing Process
One of the biggest advantages of working with Mayday Games/Sleeve Kings is our experience integrating sleeves into board game production.
We regularly work with board game manufacturers and fulfillment partners worldwide. In fact, we can ship sleeves directly to your manufacturing facility so they can be packed and shipped together with your game.
Because sleeves are compact compared to board games, adding them to your production and fulfillment process is often straightforward and cost efficient.
Why Work With Mayday Games and Sleeve Kings?
Industry Experience
We have spent more than 10 years focused on card sleeves and board game accessories. We understand the unique challenges of crowdfunding campaigns, manufacturing timelines, and fulfillment.
Established Manufacturing Relationships
Our purchasing volume allows us to provide excellent pricing while maintaining consistent quality. We can actually get a better price that even your printing factory due to our high volumes we already do at our top-quality card sleeve factory.
Trusted Quality
Our sleeves are made from high-quality polypropylene materials and are designed to meet the expectations of modern board gamers.
Board Game Community Focus
We are not just a supplier — we are active members of the board game community. We support publishers, conventions, retailers, clubs, and players because we believe a stronger hobby benefits everyone.
Established and Successful Crowdfunding Creator
We have launched over 60 crowdfunding campaigns ourselves since 2011 and understand exactly what you are facing! We have had several 6-figure+ campaigns with thousands of backers and understand just how complicated all of this can get.
Interested in Adding Sleeves to Your Campaign?
If you are preparing a Kickstarter, Gamefound, or other crowdfunding campaign and would like to explore sleeve options, contact us. Please email to our co-partner specialist at emma@maydaygames.com and she can walk you through the entire process.
We would be happy to discuss:
- Recommended sleeve quantities
- Card size requirements
- Packaging options
- Manufacturing timelines
- How sleeves can fit into your campaign strategy
Let us help you give your backers an upgrade they will appreciate, and help you add to your bottom line in the process!

FAQ (Frequently Asked Questions)
What card sleeve sizes can you provide?
Mayday Games and Sleeve Kings offer dozens of sleeve sizes covering nearly every board game card format currently in production. We can do custom sizes of clear card sleeves at just 1500 minimum packs, but we can often do less if we can create a new sku for our existing product lines too.
Can sleeves be added after a Kickstarter campaign ends?
Yes. Many publishers add sleeves during pledge managers and late pledge periods.
Do you ship sleeves directly to game manufacturers?
Yes. We frequently coordinate shipments directly with factories and fulfillment partners. We can also consolidate your shipments into our own direct shipments into the USA (Utah warehouse), UK, Greece, Australia and Canada if needed.
Can you create custom sleeve packaging?
Yes. Custom packaging and co-branded sleeve packs are available for qualifying projects.
What is the minimum order quantity?
Minimum quantities vary based on sleeve type, packaging requirements, and customization needs. For clear card sleeves we can do custom runs with your packaging starting at 1500 packs. For smaller needs we can use our existing skus to build a custom bundle for you starting at just 100 packs!

