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Dark Water Siren Women's Mermaid Halloween Costume

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Looks like this Gothic Mermaid may not be so innocent... Take things below the sea for your next Halloween party when you wear this sexy dark mermaid costume for women! Made by Leg Avenue, this Dark Water Siren women's Mermaid costume is perfect to wear for a Mythical themed dress up event or October 31st!! See below for further information and sizing.

Size Chart
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Black Mermaid Sexy Women's Costume

Lure sailors into the sea this Halloween when you enchant them wearing this sexy dark mermaid women's costume by Leg Avenue! This alluring Gothic mermaid sexy women's costume is perfect to bring the Mermaid folklore to life and show off your sexy side!


  • Dress
  • Crown

Mermaid Sexy Halloween Costume Description:

  • Women's black wet look dress with zip back closure and attached padded foam mermaid tail.
  • Black fishnet fabric features on the straps of the dress which can be worn off the shoulders and along the waist line.
  • Mermaid dress has scale print on the skirt, sequins on the middle panel of the bodice and glitter mesh on the waist and bust line.
  • Halloween costume has loops for straps (not included) and the mermaid tail has a rainbow holographic shine print.
  • Costume is complete with a padded foam crown with glitter on the front and elastic to secure onto the head.

Please note: Jewellery or shoes included.




Bust 82-87cm 87-92cm 92-97cm
Waist 59-64cm 64-69cm 69-74cm
Hips 87-92cm 92-97cm 97-102cm
Dress Size 8-10 10-12 12-14

FREE SHIPPING - Free standard shipping for all orders $99*. All other orders - flat rate $9.99 for standard shipping, or flat rate $12.99 for express shipping. Customers who qualify for free shipping will have the option of upgrading to express shipping during checkout for the additional $12.99 charge.

Orders placed before 4pm Adelaide time are guaranteed same day dispatch on business days Monday to Friday. Express post ($12.99 per order) will be delivered super fast, only 1 business day to Australian metropolitan cities including Adelaide, Sydney, Melbourne, Brisbane, Gold Coast, Canberra, Hobart and surrounding suburbs! Regional or remote areas may take up to 3 business days for delivery. To check if your postcode is within Australia Posts overnight delivery network click here. For information on International Shipping click here.

 Standard shipping ($9.99 per order) or FREE for orders over $99) will be delivered in 2-6 business days.

*Or less! Express post charges are subject to change at any time. Shipping costs are also subject to any limited time, special 'reduced rate' shipping promotions. Relevant shipping charges will automatically be displayed during checkout for the duration of any such promotion.

Party cancelled? Wrong size? Costume made you look silly? If you’re not 100% satisfied with your purchase you are more than welcome to return your items for a refund or exchange. Please note that some restrictions do apply. Please follow the instructions and complete the Returns Form which was sent with your order. To download a new Returns Form click here. To find out how to quickly get your order back to us and for our full no fuss returns policy click here.

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