My dream binder! So pretty and sturdy.
Part I - Wanderlust - Midnight - Single - A4 myCOLLECTION Binder
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[PRE-SALE] Part I - Wanderlust - Midnight - Single - A4 myCOLLECTION Binder
Discover the ULTBIAS difference
Description
This product is available for pre-sale and is currently on the way to our warehouse. The estimated delivery date is 23 October 2026.
Astro & Wanderlust - Part I is where the story begins. In Astro, ever-shifting moon phases trace a new celestial rhythm, guiding the journey forward. In Wanderlust, the bunny once dreaming now takes flight, hope and courage carrying it beyond the familiar. Together, they form a world of soft magic, where discovery feels as meaningful as the destination.
About Single - A4 myCOLLECTION Binder
The Single size is one of three sizes available in the Custom A4 myCOLLECTION Binder range. It is the smallest in size and can fit up to x45 single-sided sheets of our Custom A4 9-Pocket Photocard Pages, which holds up to 405 photocards in total.
The custom A4 4-D ring binder is constructed with tough premium board core equipped with a dual magnet clasp. The enclosure keeps the contents safe and gives the binder its signature box-like structure to ensure it can be stored standing without collapsing. The protective Binder Shield™ prevents pages from sagging when stored upright, supported by custom-engineered reinforced rings that can withstand up to 2kg of weight. Designed for everyday handling, the spine eyelet together with the ventilated holes on the outer case makes it effortless to quickly access and shelf your binder in one quick wobble-free motion.
With no fixed pages, tailor your binder to fit the exact needs of your collection with the flexibility to adapt and change your set up at any time. For the best fit and alignment, choose from our archival-safe Custom A4 Pocket Pages.
Care Note
To preserve our myCOLLECTION binders, store away from direct sunlight in a cool, dark space.
Key Features
- Original Artist-Illustrated Designs: No AI-generated designs. All artwork featured on our binders supports artist-original designs.
- Built for Every Collection: Unlike zip binders and collectbooks, our ring binders offer true flexibility with no fixed pages to ensure you can tailor storage to fit the exact needs of your kpop collection.
- Sturdy and Structurally Sound: Crafted using thick rigid premium greyboard exclusively sourced from Taiwan. While ordinary binders bend and warp under pressure, our binders remain perfectly rigid.
- Strong Clasp Closure: The dual system ensures your binder snaps securely shut every time and gives the binder it's stable, signature box-like shape so it won't collapse when stored standing.
- Tough & Resilient Rings: Fitted with custom-engineered reinforced rings with a weight tolerance of 2KG, designed to remain aligned and resilient over long-term use.
- Binder Shield™ Protection: Exclusively developed for ULTBIAS, the metal mechanism locks your pages in place to prevent sag and drag when storing your binder upright.
- Ventilation Holes for Easy Handling: Paired with the spine eyelet, the custom openings make it effortless to quickly access and shelf your binder in one quick wobble-free motion.
- Page Protection with Backboards: Our slim yet backboards placed at the front and back of the binder rings shields pages from scratches/dents.
- Premium Outer Case: Solid and opaque case that keeps light, dust and accidental knocks at bay keeping your collection extra protected.
- Ready for Organization Upon Opening: A set of thick full-page Index Tabs help with sorting and categorising pages in your binder.
- Tested for Long-Term Use: Developed by fellow collectors, our binders have been tested rigourously to deliver long-term protection across years of daily use.
Specification
What's Included
[PRE-SALE] Part I - Wanderlust - Midnight - Single - A4 myCOLLECTION Binder
Sale price$69.95
Regular price (/)
The best decision I’ve made
"I’m a novice collector that let a lot of my postcards and photo cards pile up in some box, but keep them in these binders are the best decision/purchase I’ve made. The binders a beautiful and they’re excellent quality, I no longer worry about my collection being damaged in the box I kept them in anymore. I just love to flip through them! Would recommend these binders to anyone who loves to collect!"
★★★★★
Natalee F.
Why myCOLLECTION is made like no other
Made to safely hold more
Big collections shouldn’t require making big compromises. Our Single A4 binder has been carefully sized to fit up to 405 photocards while staying sturdy, protective and easy to use, so you get the most storage possible without it becoming too heavy to handle or flimsy to trust.
Made to fit everything
From posters to sticker sheets, kpop collections go well beyond photocards. Unlike zip binders or collect books, our binders have no fixed pages to give you true flexibility to store and organize everything your collection may include. With over ten available Custom A4 Pocket Pages to choose from, there's a home for every odd inclusion.
Made for lasting protection
Generic office folders weren’t made for collecting. Our binders are engineered inside out for complete long-term protection, beginning with premium materials and finishing with our protective binder accessories included with every binder.
Find Your Perfect Binder
Single Vs Duo Edition
Available in two signature sizes: Single and Duo Edition.
Shop Duo Edition
Single
Fits up to x45 single-sided sheets of our Custom A4 9-Pocket Photocard Pages, which can hold up to 405 kpop photocards in total.
Duo Edition
An ULTBIAS original 2-in-1 binder system. It comes with two Single A4 binders stored together in one shared outer case.
Fits up to x90 single-sided sheets of our Custom A4 9-Pocket Photocard Pages, which can hold up to 810 kpop photocards in total.
Single
Best-Selling Size
Duo Edition
2-in-1 Binder Set
405 photocards
Photocard Storage
810 photocards
45 sheets
Page Capacity
90 sheets
11.8 x 13.8 x 5.5 in
Binder Dimensions
11.8 x 13.8 x 5.5 in
12 x 14 x 3 in
Outer Case
12 x 14.2 x 5.5 in
Also available in Single
JUST LANDED
A4
SINGLE
BINDER
![[PRE-SALE] Part III - Astro - Midnight - Single - A4 myCOLLECTION Binder](http://ultbias.us/cdn/shop/files/3000_3000_Astro_Wanderlust_PtIII_Square_JPG_Listing_Black_Astro_Single_Hero.jpg?v=1783940510&width=3000)
PRE-SALE
A4
SINGLE
BINDER
![[PRE-SALE] Part III - Wanderlust - Midnight - Single - A4 myCOLLECTION Binder](http://ultbias.us/cdn/shop/files/3000_3000_Astro_Wanderlust_PtIII_Square_JPG_Listing_Black_Wanderlust_Single_Hero.jpg?v=1783941071&width=3000)
PRE-SALE
A4
SINGLE
BINDER
NEW OFFER
Add Pages & Save
Save 25% off each pack of Custom A4 Pocket Pages with the purchase of your A4 binder.
SEE IT IN ACTION
Customer Reviews
Overall rating: 5.0 / 5 from 18 reviews.
Very high quality Very pretty just might have to get another one
Part I - Wanderlust - Dream - Single - A4 myCOLLECTION Binder
Such a beautiful design u had to get the white version. I love that the designs work seamlessly together even if it’s black and white. The binder is really sturdy and spacious. Great for anyone wanting to expand their collection and have more photo cards on one page.
Beautiful. Amazing quality.
LOVE IT!
This binder is the best purchase I made. It looks so pretty and I can have all my collection on one place. Definitely recommend.
I love everything! Will be ordering again
I’ve been looking forward to the A4 Binders as I feel it fits me better. A5 is cute and handy but I find it more convenient with A4 as I’m an OT7 collector so I like to them all on one page. I would have preferred to get d Double instead of Single but it ran out too fast! Please restock! And do come out with similar version if myUniverse in A4!
I love love love this A4 binder!!! It is so pretty and looks great as a display in my house. Really love it. Bought another one to change my collection from the previous binders to these ones.
Love this binder. It is beautiful, quality construction, and love the slip cover. This is big but I love how I can fit all 8-members of a group on one page.
This is a very detailed review, however, I am hoping it can help other collectors who are interested in buying this system. TLDR: I think if you’re looking to house a large collection this is a near perfect binder! I hope prism platinum will have luck with the future designs of this binder because it’s exactly what I was looking for in my collection, and I really want to house the rest of my pc collections in this binder type but in different colors per collection if possible!) :) Pros: I asked PP on Instagram Stories how many pages this binder would fit with double-sleeve photocards and they answered with 55. This is fortunately true (unlike the experience I had with my pp a5 binder) so it fits a total of 495 cards! This is perfect for my larger collections and was my primary reason for investing in this system. For this alone, I am very very happy with my purchase. I am really hoping we haven’t seen the last of the A4’s because I really like the ability to keep my large collections in one binder!! The quality is also nice and high-quality. I chose the V3 double-sleeve pages. They’re thick and clear like the a5 pages I have from PP. The binder is very sturdy feeling and the outer design is very pretty. I love the holo and am excited for future color drops (really hoping for coral pink coquette theme binder, light purple or green, and a myuniverse purple!!) Cons: I will note that full 55 pages does go over onto the curved part of the D-ring (in picture). This doesn’t bother me, but it would have been a bit nicer if all 55 pages laid flat while full (for reference I use the orange and purple hard popcorn sleeves). I thought the silver binder shield would have pushed the pages down more so it could be flat regardless but that didn’t work for me. There’s also a few inconsistencies in the outbox. 1 of the a4’s I bought slightly sticks out, while the other sits fully inside the outbox and has a slightly larger gap between the top of the binder and the outbox (in pictures). This isn’t a huge deal as the outbox is still protecting the binder and it looks nice on the shelf. But I wish there was more consistency since it does look slightly weird side by side but perhaps this is where a duo would’ve been a better fit (I did not purchase a duo since one of the binders was for someone else). Things I’d Like to See in Future A4 drops: I wish that there could be a full backboard for front and back rather than half for the front and full for the back, but they still get the job done so no other complaints there. As far as other inclusions: I feel like tabs would be a great option for these binders too! I used this first one to house multiple small growing collections and it’d be nice to have a separating tab between them.
So pretty
I was eyeing the A5 Deluxe for quite some time but so happy I waited. The A4 is absolutely stunning and well protected. I think my only con is that I wish the front protector was full size and not half. But everything else is almost perfect! I hope more A4s are added to the collection. I'm definitely willing to house my whole collection in them.
I love them so much, thank you so much ^^
I didn't realize how big this binder was! Regardless, it's beautiful and I love how much thought is out into packaging and design. I can always count on Prism Platinum for my collector needs.
The binder is so pretty! I did think the outbox was made of plastic but it’s cardboard as well. I have a huge riwoo collection and it fit so nicely ><! I can’t wait until they restock
Perfect
Beautiful photo album and the pocket pages are superior to other pocket pages. Love it 😀