We are Mia-costume.

One of the top selling costume brands in Japan.

We have costume shops in:
*Tokyo Akihabara
*Nagoya Oosu
*Osaka Nipponbashi

We aim to give our customers high quality products at reasonable prices.

We can send any costume to any  country by EMS.

We do wholesale as well!
Please look at this site more infomation about wholesale.
Miacos Wholesale

We can do wholesale with any country so please email us!

We have many online shops in Japanese:

Mia-Costume main site
Products can be sent to any country by EMS!

Plus size costumes:

Socks/accessories shop:

Lolita and Harajuku wear:

Mia-Costume in DENA shopping:

Military wear and goods:

Japanese school uniforms:

Our blog:
School swimsuit is in line with the new appearance!

School Swimsuit (Single Lined Design) Size: BIG (US Women's L Size)

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$ 19.23 (¥ 2,138)
Actual price may vary according to exchange rates.
Payment will be charged in yen
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Product Information
This product is part of our company's inventory.
Ships in 2-3 business days.

Another addition to our popular school swimsuit series!

We think that many people would like to try on a school swimsuit!

This lined design is cute and unique!

With this swimsuit, you're bound to have a summer filled with fun!
  • Size:
    [Size M]
    B: 68-95 cm, W:56-86 cm, H: 72-104 cm

    BIG size:
    B: 86-108 cm, W:76-104 cm, H: 78-114 cm
    * This product uses fabric that is easy to stretch.
  • Set includes: Bathing suit
  • Details
    * Bathing suit is lined.
    * Do not wash or bleach with chlorine based bleach products.
    When ironing, please use your iron at medium temperature. This costume is dry cleanable.
    * The color may fade, please be careful.
  • Model Height: Mii / 162 cm (wearing M Size)
  • Material: 100% Polyester
  • Color: Color is the same as seen in the picture.

Related Products
School swimsuit (Double lined design)
Color: Navy Blue
Size :M/BIG
School Swimsuit
Color: Navy Blue
Size :M/BIG
High leg Swimsuit
Color: Navy Blue
Size: M/BIG
Old School Stretchy Swimsuit
Color: White
Size: M/BIG
Old school swimsuit (old school)
Color: Navy Blue
Size :M/BIG
Old school swimsuit
Color: White
Size :M/BIG
See-through old school swimsuit
Color: Navy Blue
Size :M/BIG
See-through old school swimsuit
Color: White
Size: M/BIG
Metallic Shiny School Swimsuit
Color: White
Metallic Shiny School Swimsuit
Color: Black

Related products
Green Striped Panties
Pink Striped Panties
Turquoise Striped Panties
Light Blue Striped Panties
Light Blue Striped Panties (String Style)
Light Blue Loli Panties
Light Blue Bra
Triangle Bikini Bra
Pastel Knee High Socks (Light Blue x White)
(3cm border)
Short Sleeved Shirt: Pink
Size: M/BIG
Short Sleeved Shirt: White
Size: M/BIG


☆Recommended Products☆

  • We have lots of products ready to ship!
  • We also have many cheap deals!
  • If you're looking for high quality cosplay and maid costumes, then choose Mia Cos!
  • Lots of domestically Japan made cosplay!
  • Products
  • Maid Costume・Maid Cosplay・Cosplay・Maid fuku・Maid
  • Sailor Fuku ・ Japanese Schoolgirl Outfit ・  Schoolgirl Cosplay ・ Sera Fuku ・ Japanese High School ・   Japanese Middle School ・  Kawaii uniform
  • Cosplay Costumes・Cosplay ・Blazer Cosplay Costumes・Nurse Outfit・China Dress
  • Knee High Socks・Knee Socks・Thigh highs・Socks・Costume・Maid Costume・Headband・Sailor Fuku・School Girl Uniform

Latest Product Reviews (33) Translating... Translate Product Reviews

Posted by ナツ** , 2015/12/20 07:54:30
Posted by 30** , 2013/10/25 12:49:15
160の相方に着せましたが何とか着れました。 他の方も書かれてましたが、脇の下が結構開くので横乳が出そうになります。 思ったより伸びる生地でしたが、160くらいの人ならBIGサイズをおススメします。
Posted by ハチ***** , 2013/09/04 13:58:35

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Shipping Options:

JP Post EMS Your order will be shipped to you via Japan Post EMS. Japan Post is a speedy delivery service that delivers to more than 120 countries. With an effective tracking system and insurance program, EMS is able to offer a secure delivery worldwide. You can track your package with the tracking code provided and it will be delivered within a week. See estimated shipping fee

Payment Options:

Credit Card We accept credit and debit cards.
The following credit and debit cards can be used:
•American Express

EMS(Express Mail Service )  

Please feel free to contact us if you have any concerns prior to ordering!

●How to Order●
・Please input your name, overseas address, and phone number.
・For your address please use alphanumeric characters.
Adresses in languages other than english will have to be put into alphanumeric characters. (Example:Korean character,Arabic character, Chinese etc..)

●Overseas shipment charge (This is an example for Europe. Shipping depends on the weight and desination. **We will email you the final shipping price**)
0g~501g ¥1500
502g~1001g ¥2800
1002g~1501g ¥3700
1502g~2001g ¥4600
2002g~3001g ¥6200
4002g~5001g ¥9400

We can deliver to any Country that accepts EMS. After we accept your order we will weigh your package and email you the final shipping price. (We are currently working on making other shipping options available for
our customers!)

●About the weight of products●
The weight of our products are automatically set into the system.
・Accessories and small articles, etc. 300g~500g
・School uniform and Chinese dress, etc.1kg
・Heavy cosplay like maid uniforms or gothic lolita clothes.etc. 2kg~3kg

After you place your order, please wait for us to email you the final shipping price. Shipping price will vary from the prices above.

●About your package●
If you would like to track your package please use the tracking number we will give you. When your package is shipped out you can check the status through EMS, not MIA COS. Please refer to the link below about how to track your package:


After we give the package to the shipping company, we take no part in the shipping from Japan to your Country. If you have an inquiry about shipping after we have given you your tracking number, please contact your local post office.
If your luggage is lost in transit by the shipping company, your package is insured by EMS so you will be reimbursed.
●Please Note●
After we send the product, your local postal service will deliver your package.
Our company is not responsible for customs tax, as that is the responsiblity of the buyer.
We are also not responsible for a package that's damaged during transit, as that is the responsiblity of the shipping company.
Please do not assume our company responsible for the situations mentioned above, as they are out of our power.

●Please be aware of tarrif fees●
Depending on the destination of the package, tarrif fees may be placed on the package.
Often there are no tarrif fees but your country's import facility may charge you. Please be aware that if this importation tarrif is placed, it is the responsibility of the buyer to pay these fees.

●Some products cannot ship to certian Countries●
Depending on your Countries import laws, some items such as airsoft guns may be unable to ship from Japan. We will notify you if we cannot ship your order.


Not available for Overseas shipping

This product cannot be shipped to Us United States from the store.

Please contact the store for further information.


"Delivery Rates : EMS (International Express Mail Service)"

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Note: Exchange rates are for reference only.