🇰🇷SEIO
SEIO is a unisex, girly brand founded in 2021 in Korea. Rooted in Simplify, Essence, Individuality, and Openness, it offers typography-based epoxy phone cases and daily digital accessories, delivering restrained yet expressive designs that resonate with young women seeking lasting, meaningful style.
1
Filters
×
Gender
Sale percentage
ALL
Stock
All
Brand
Category
SubCategory
Size
Shop
Price
Color
Recommended Wearing Season
Brands by Country
Area
Style
![SEIO（セイオ）の「[MADE] linear rhythm case (epoxy)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/27e84417-acab-4a95-8f54-61a85c5844c7.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] linear rhythm case (hard)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/f603836e-a865-4020-80d0-e2dfe0e490ca.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] mint a case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/9e79b97e-3d61-463f-8623-0e35b1593eb5.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] calm frequency case （Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/43684a18-e177-4488-a330-213a09a91988.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] linear rhythm case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/55a677ab-d08e-4280-bdb6-32a3f6eb4734.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] calm frequency case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/3a4cf91a-6a1b-4af5-8dd7-7b167dac66ee.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] memory room case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/05657445-ff2f-4a6c-92e6-3da79ccf39ce.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] white echo case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/24b16aff-55ca-49d7-a1df-40d48beecbc8.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] pink glasses case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/35a10574-9060-4b02-affb-e119d7e323f7.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] data angel case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/61a73743-12ee-455e-9163-84d3fb1a467b.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] second me case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/0047b50e-038e-4c4c-8674-0737d71071b3.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] white archive case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/f59fb7d3-c779-4de6-b585-80a360fbc6aa.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] +layer case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/596bd5b4-da6e-4c8a-9a8a-c81740687358.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] +layer card wallet（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/d060ff1e-2acb-4268-9912-8e981ee9e5c3.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] chronofur case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/c18865e6-ac73-4790-aa53-43a6453980d9.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] codepaw case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/f6eba3b3-df85-486b-9513-b537ba733c5f.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] signal tide case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/51ebf78e-2541-4f39-8181-ec748a4ad0c1.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] fading waves card pack（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/0281700f-915b-4031-83b5-421c702b6e68.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] stripe case (brown mix)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/bdfad7a5-7559-4021-83f6-28a9ee12ae84.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] stripe case (grey mix)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/55a92d4b-6a78-493b-902c-48349fb14e19.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] monograph case (light blue)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/4e460d49-ff5c-4ca8-b965-26b1148a7d62.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] monograph case (grey)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/61175f5e-7eaa-48eb-b3e5-a3d338f0d324.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] monograph case (white)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/12f63eaa-8017-4906-8df1-5d0308abe1f8.png)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] angel.01 case (shining ver)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/b793d136-5cfb-4b1b-ba3f-66a646f982ff.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] angel.01 case (chrome ver)（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/ecc4f285-8fb6-44fc-940f-2e2202fc824c.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25
![SEIO（セイオ）の「[MADE] crushed reflection case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/47d497be-2058-44c3-9a66-ce37b4fb23d1.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$26
![SEIO（セイオ）の「[MADE] piece of heart case（Smartphone Accessories）」](https://img.sixty-percent.com/_/w800/plain/gs://forty-percent_uploads/image/2026/09/ca950d14-509f-4f3b-80f9-9c0c5013824a.jpg)
7%OFF🇰🇷SEIO
Smartphone Accessories
$25