[PRE-SALE] Part III - Astro - Midnight - Single - A4 myCOLLECTION Binder

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 III is a journey into metamorphosis. In Astro, a rocket ship lifts off from the moon, carrying us past contemplation into new galaxies to explore. In Wanderlust, quiet confidence gives way to transformation: delicate butterflies charting new territory and ground, in space that remains limitlessly unexplored symbolised by the plantary orbs that stand to represent untapped potential. 

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.

• 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.

Binder Dimensions: 11.8 x 13.8 x 5.5 in (300 x 350 x 64 mm)
Binder Ring Type: Custom Silver 4-D Rings
Binder Page Compatibility: ULTBIAS Custom A4 Pocket Pages measuring 9.5 x 12.6 in (242 x 319 mm)
Total Storage Capacity: Up to x45 sheets of ULTBIAS Custom A4 9-Pocket Pages (Single-Sided)
Outer Case Dimensions: 305 x 360 x 74 mm (12 x 14 x 3 in)

Packaging Dimensions: 13 x 15.2 x 2.5 in (330 x 385 x 90 mm)
Total Weight: 2.5 KG

1x Part III - Astro - Midnight Black - Single - A4 myCOLLECTION Binder
1x Dust-Proof Outer Case (Black Midnight)

1x Binder Shield™
1x Full Backboard (Frosted Matte)
1x Half-Backboard (Frosted Matte)
1x Set of Index Tabs (Midnight Black)