O-SEAN Magazine
Choose Your 2026 Pepero Day Gift by the Merchandise
Discover Stray Kids keyrings, Ganadi mirrors, Sanrio bookmarks and stickers, plus snack-inspired collaboration goods.
O-SEAN Editor
O-SEAN Goods Letter


Choose Your 2026 Pepero Day Gift by the Merchandise
Discover Stray Kids keyrings, Ganadi mirrors, Sanrio bookmarks and stickers, plus snack-inspired collaboration goods.

Why Are Adults Falling for Chiikawa?
Explore Chiikawa's stories, film, hanbok merchandise, Funbarus and the Yongsan store.

150 event wristbands: what should you check about logo placement and production timing?
A making note on 150 Starknet fabric wristbands, covering approximately 1–2 weeks of production, repeating logos, wearing considerations and the client's experience with repeat orders.

A 12 cm brief and a 20 cm first sample: how were the plush keychains adjusted?
A making note on 500 MetaMask plush keychains, covering two sample rounds, color and size adjustments, strap checks and split delivery for the event.

From 15 merchandise ideas to two items: how was event delivery prepared?
Pudgy Penguins selected 500 coin purses and 50 power banks. This making note covers product selection, embroidery requests, production timelines and confirmed delivery to the venue.

Can 200 sweatshirts be handled from production to international shipping?
Satisfied with the service and quality of its first order, Monad returned to O-SEAN. We produced 200 sweatshirts in two weeks in June 2025 and handled international shipping.

DEINET Prepared 900 Merch Items in About One Week, Even as Contacts and Mockups Changed
DEINET prepared 300 each of paper tubes, frame keyrings, and pens, confirming the production schedule over about a week as contacts and design mockups changed.

Desserts and Photo Booths for Your Next Pop-Up
Explore LCDC SEOUL, KUKKA, AUTOFOTO and LA BASE, plus tea, gifts and merchandise, with a checklist to go through before you reach out.

Preparing event merchandise from overseas: from sample checks to on-site handover
a16z crypto checked samples through a local contact in Korea while preparing four merchandise items. Wristbands added later were made in about 10 days and handed over at the venue on event day.

Busy preparing an event? Who handles the T-shirts and soju glasses?
Ethena prepared 200 T-shirts and 100 soju glasses together. About a month of production and direct venue delivery let the organizer focus on running the event.

Where to Go This October: Dooly, Kuroko and Irasutoya Pop-Ups
Dooly stationery, Kuroko keyrings and Irasutoya merch. October pop-ups in Korea, F1 fashion collaborations and O-SEAN’s firsthand look at KBW merchandise.

What Is BTS DALMAJUNG? The 2026 Merchandise Collection Revealed
BTS DALMAJUNG meets MU:DS. From brooms to keyboards, explore the stories behind these good-luck merch items, plus products, prices, pop-up dates and brand planning tips.

How do you prepare a VIP kit, from product selection to delivery? Cobak production notes
Cobak’s VIP kit began with product suggestions. Tumblers, stationery and boxes with character sleeves were produced together, followed by individual delivery to recipients in different regions.

From Kakao Friends Run to JTBC: Marathon Merch Runners Want
Explore race kits and finisher merch from Kakao Friends Run and JTBC Seoul Marathon, stylish running brands, and a pre-run checklist.

These are old artifacts. Why do they feel so much like my taste?
A bell's shape becomes a bookmark, and patterns from traditional robes become fans and handkerchiefs. Design points from National Museum MU:DS, the BLACKPINK collaboration, O-SEAN merch mockups, official prices and where to buy.

20 caps and 200 bags: How did Origin X adapt its merchandise plans?
From apparel for sale to giveaway items for the event, we produced 470 pieces across 6 Origin X merch items. A look at plan changes, small-batch caps, apparel labels and packaging, and tarpaulin bag sample checks.

Seven merch items, three surprises. How did SuperWalk keep the deadline?
A T-shirt quality change two weeks before the event, a customs hold ten days before, and an extra order three days before. A look at the four weeks of producing 1,170 pieces across 7 SuperWalk merch items.

🍅 Why 'tomato' searches on Ohouse jumped 312% in four weeks
This summer the tomato trend spread from eyewear and desserts to home decor. We drew seven tomato merch mockups with the logo space left open, listed minimum quantities and lead times for the items you can order right away, and added a field note on how the Inuyasha pop-up priced its merch.

🎪 Farewell, everyone~ I'm off to see 21 pop-ups this September 🍂
21 September pop-ups in Seoul ranked by search volume, three ways to get a new-merch effect on the same budget from the Nongshim, Inuyasha and Pokémon GO pop-ups, and four merch items that only need your logo.

300 lenticular cards with three flipping scenes, delivered in four business days
A rush order with the event date already fixed. We changed a two-scene lenticular card to three scenes, kept the physical sample check, and still delivered 300 cards to the venue within four business days.

🎤 WOW, FANTASTIC BABY! The merch formula that has moved fans for 20 years ⭐
Three fandom-merch rules from BIGBANG's 20th-anniversary pop-up and exhibition, five small-batch items you can brand, and this week's top 10 merch pop-ups by search volume.

📸 A keyring that takes photos? See August's merch cheat sheet 🔑
A mini camera keyring customized to your brand mood, from color and logo to wording, plus what we saw at the Home Digging Fair at COEX.

Every hot pop-up in Korea this August, mapped
Sixteen August pop-ups in one table, why TFT, Chiikawa and Hongsil Quest are drawing crowds, and eight trending merch items, from photocard cases to keycap keyrings, explained by a merch maker.

How far can a glowing coaster go? The LED acrylic coaster experiment
We put the LED acrylic coaster through three jobs: light-up drink stand, custom event merch, and booth prop. From 30 units, free design mockup, about 2 weeks after order confirmation.

"The worries vanished and only the cuteness remained!" Making plush keyrings of our company character
A review of ordering plush keyrings of a company's signature character. From bringing the character to life to texture, size, lead time, and reordering, told through a real customer's story.

Up 13% in the off-season? The merch secret behind this summer's sold-out Seongsu pop-ups
Four pop-ups across Seongsu, Gangnam, and Yeouido in July 2026, plus the PEACEMINUSONE × Toy Story collab. A merch maker's read on the functional-merch trends winning this summer.

Why clients come back: Monad's 500 merch units in 2 weeks
A Monad reorder: a client contact we had worked with before came back, and we made white caps and die-cut stickers, 500 units across 2 items, within 2 weeks. A project showing that nailing the details on the promised schedule is what brings the next order.

Two weeks with a first-time vendor: how 800 units across 3 merch items shipped on time
Two weeks before its event, global Web3 project DogeOS handed a first-time vendor 800 units across 3 items (acrylic keyring, keycap keyring, holographic sticker). We recorded how schedule and quality held up under a first order on a tight deadline.

Muhan Company & Toy Story collabs: a merch maker's read on the trends
From the Mom's Touch × Muhan Company collab to channel-by-channel Toy Story 5 merch strategy and upcoming pop-up schedules. A merch maker's read on the collab and pop-up flow, with data on whether collabs really turn into sales.

How to gather 6 conference booth merch items within 2 weeks
The story of bundling 6 items of varying quantities onto one schedule. Abstract's booth-merch case: 6 items they had to set up for their KBW meetup booth on a short timeline.

7 summer event merch items: name the item, we handle sourcing to production
A package-order case from global IP brand Pudgy Penguins, who had to prepare several merch items at once ahead of summer events and fan meets. We delivered 2,565 units across 7 items, all within 2 weeks.

Two new umbrellas arrived at the lab. We opened them up to see if they work as event merch
A 135cm long umbrella and a 350g folding umbrella, on our desk before the rainy season. Beyond the catalogue spec, here is our hands-on review after opening them up and carrying them around.

"We started half-worried, half-hopeful": ordering 180 short-sleeve tees for a summer workshop
We asked a manager who bulk-ordered 180 short-sleeve tees, straight from the source. Print, sizing, fabric, design and fit: an ordering story told through five questions.

Hoodie logo, print or embroidery? The choice that decides event merch finish
A production diary of 3 event merch items for Decipher, the SNU blockchain society, at its 'Difference' event. How an embroidered hoodie logo raised the finish of the event merch.

Paper coasters in just 3 days, and keeping 4 campaign items on a 10-day deadline
From a sublimation-printed soccer jersey to paper coasters rush-made in just 3 days. A record of how 4 campaign merch items ran in parallel within 10 days.
Merch ends up being the last line of a brand. We start over every day so that line never feels light.
· Curator's Notebook · Vol. 23
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