sleeve guide

find your perfect sleeve in 3 taps.

Every sleeve has a K-pop song name and a job to do. Answer a couple of questions and we'll match you — single, double, or decorative.

the full reference

the whole range.

Prefer to browse it yourself? Here's every size, every flavour and the how-to — all in one place.

find your size.

Every sleeve drawn to relative scale. Outer is the full size; inner is the usable opening your card slides into. Mix and match for double-sleeving.

Strawberry58×89 mm
Vanilla60×92 mm
Mint Choc61×94 mm
Caramel72×102 mm
Butter82×122 mm
Galaxy62×91 mm

✦ drawn to relative scale · outer dimensions in mm

Sleeve Outer dimensions Inner dimensions
Strawberry Premium Clear Slim Sleeves
58 × 89 mm 56 × 87 mm
Vanilla Premium Clear Standard Sleeves
60 × 92 mm 58 × 90 mm
Mint Choc Premium Clear Outer Sleeves
61 × 94 mm 59 × 92 mm
Caramel Premium Mini Tour Sleeves
72 × 102 mm 70 × 100 mm
Butter Mini Postcard Sleeves
82 × 122 mm 80 × 120 mm
Galaxy Premium Sparkly Back Sleeves
62 × 91 mm 60 × 89 mm
Palette Premium Coloured Back Sleeves
62 × 91 mm 60 × 89 mm

what each sleeve is for.

Same universal sizes, named after the job they do. Here's when to reach for each one.

photo · strawberryinner

Strawberry

Premium Clear Slim

Slim, card-hugging sleeve. Goes on first when you double-sleeve.

Outer58 × 89 Inner56 × 87
photo · vanillaeveryday

Vanilla

Premium Clear Standard

Your typical sleeve. Fits the vast majority of K-pop photocards.

Outer60 × 92 Inner58 × 90
photo · mint chocouter

Mint Choc

Premium Clear Outer

Big & roomy sleeve. Goes over the top of a Strawberry Slim Sleeve.

Outer61 × 94 Inner59 × 92
photo · caramelmini tour

Caramel

Premium Mini Tour

For mini tour cards, a slightly larger format common in HYBE tour merch.

Outer72 × 102 Inner70 × 100
photo · butterpostcard

Butter

Mini Postcard

For postcards and oversized cards — photo essays and season's greetings.

Outer82 × 122 Inner80 × 120
photo · galaxysparkly

Galaxy

Premium Sparkly Back

Sparkly-backed sleeves. Goes over a Strawberry Slim Sleeve, or on its own.

Outer62 × 91 Inner60 × 89
photo · palettecoloured

Palette

Premium Coloured Back

Pastel, colourful sleeves. Goes over a Strawberry Slim Sleeve, or on its own.

Outer62 × 91 Inner60 × 89

galaxy & palette.

Two colour-lines, both named after songs that double as colours. Tap a name to preview the back.

Galaxy · Eclipse

✦ Celestial Sparkle

Galaxy

Real micro-glitter backs in deep, cosmic tones. Premium sparkly-back sleeves that frame a card like the night sky.

Palette · Black Swan

✦ Pastel Coloured Backs

Palette

Solid coloured backs in pastel and pop shades. Seven song-named hues to colour-block your binder, page by page.

why double-sleeve?

Two sleeves, openings facing opposite directions — sealed both ways. Strawberry inside, Mint Choc outside.

  1. 01 OPEN CARD STRAWBERRY

    Strawberry first

    Slide the card into the inner Strawberry sleeve, opening facing up.

  2. 02 CARD MINT CHOC STRAWBERRY BOTH OPEN ↑

    Mint Choc second

    Slip the Strawberry-sleeved card into the roomier Mint Choc outer.

  3. 03 SEALED CARD OUTER ↓ INNER ↑ SEALED

    Flip the opening

    The outer opening faces the opposite direction — so the card is sealed both ways.

Sealed both ways — no dust, no slip-out, no bent corners.

a note on PVC.

There's PVC, and there's PVC. Here's the short version of what's safe — and what to avoid.

✦ rigid PVC

Generally fine

Rigid PVC (99% of toploaders) is stable, inert and generally safe for long-term storage. That said, PVC-free toploaders are something we care about and are actively looking into.

In the meantime, we still recommend sleeving your cards before loading them — because while the risk is low, it isn't zero.

⚠ soft PVC

The one to watch

Soft PVC is the one to watch out for. The plasticisers in soft PVC can migrate and damage finishes — like your cards — over time.

Every Kkumi sleeve is 100% cast polypropylene, which means they're entirely PVC-free and acid-free.

100% cast PPPVC-freeAcid-free