Royal Blue Mermaid Sequins Long Sleeve Long Prom Dress With Removable Train

$249.00
Blue Mermaid Sequins Long Sleeve Long Prom Dress With Removable Train

Royal blue mermaid long prom dress with a removable train. Long-sleeved dress with sequins patterned all over the gown. A stylish detachable train over the mermaid dress that enhances the beauty of the dress. A nude-colored base cloth embellished with royal blue sequins and a long hemline. Scoop neckline and zipper up back gives you a slimmer more glamorous look. The long royal blue train can be attached or detached, whatever suits your liking. The tight fitted dress will accentuate the curves of your body making you look more beautiful than ever. The embellished sequins add to the exquisiteness of the dress and give it a finer finish. 

THE SECOND SHAPE

One fitted silhouette.
Two visual states.

Royal blue sequins define the fitted mermaid foundation, while a detachable train introduces a second proportion for formal entrances and extended evening looks.

BASE GOWN
+
EXTENSION
WITH TRAIN
extended proportion
WITHOUT TRAIN
fitted proportion
THE BASE GOWN
MERMAID

The royal blue mermaid silhouette follows the body before opening toward the hem, creating the complete foundation before the detachable extension enters the composition.

ROYAL BLUE AS THE GROUND

Color establishes the depth.

Saturated royal blue gives the sequin surface an evening depth, keeping the fitted silhouette visually defined from neckline through the elongated skirt.

COLOR
ground
SEQUINS
light
SILHOUETTE
shape
LIGHT ACROSS THE BODY
LIGHT
LIGHT
LIGHT

Sequins cover the gown with a changing surface, catching light as the fitted form moves.

The surface follows the body rather than interrupting the silhouette, allowing royal blue to remain the dominant visual ground.

Royal blue sequin mermaid formal gown with long sleeves
THE FIRST LENGTH

The complete base form.

Without the detachable train, the royal blue mermaid gown keeps its focus on the fitted body and elongated skirt. The foundation remains complete in its own proportion.

Base silhouette
THE EXTENSION ARRIVES

A second visual length.

The detachable train changes the proportion behind the fitted gown while leaving the base mermaid silhouette intact.

BASE
Mermaid form
+
EXTENSION
Detachable train
=
SECOND STATE
Longer presence
TWO WAYS TO WEAR THE SILHOUETTE

One foundation, two proportions.

01 / TRAIN ATTACHED
Extended entrance proportion

The additional length extends behind the fitted gown, creating a more ceremonial presence for formal entrances and photographs.

02 / TRAIN REMOVED
Closer body line

Removing the extension returns attention to the fitted mermaid foundation and creates a more streamlined proportion for moving through the evening.

THE TRANSFORMATION

The proportion changes. The foundation stays.

The detachable train changes the visual length of the gown while the royal blue mermaid base remains the same.

Royal blue mermaid gown showing detachable train and extended silhouette
TRAIN
extension
BODY
foundation
LENGTH
transformation
THE SCOOP LINE
Open neckline.
Covered arms.

The scoop neckline keeps the upper silhouette open while long sleeves create a continuous evening line.

The combination keeps the neckline visually relaxed while providing full sleeve coverage through the arms.

Full length royal blue sequin formal gown with extended train
THE THIRD VIEW

Full presence.

The extended silhouette occupies more space behind the body, giving the royal blue gown a longer visual presence once the train becomes part of the look.

THE BACK IN PRACTICE

A zipper back keeps the fitted foundation visually clean.

The back construction supports the close fitting mermaid base while the detachable train remains an independent extension of the overall proportion.

THE EVENING PROFILE

Designed for changing moments.

Royal blue sequins, long sleeves and a mermaid silhouette create a formal profile that can move between an extended entrance look and a more streamlined evening finish.

01
PROM
02
FORMAL EVENING
03
SPECIAL OCCASION
THE DRESS RECORD

Construction and ordering details.

SILHOUETTE Mermaid
LENGTH Long
NECKLINE Scoop
FABRIC Sequins
COLOR Royal Blue
SLEEVE Long Sleeve
BACK Zipper Up
SPECIAL DETAIL Removable Train
CUSTOM MADE AVAILABLE
RUSH 10–15 DAYS
FAQ

Before ordering your second shape.

Does the detachable train change the fit of the base gown?

The removable train is an additional extension, while the main gown retains its fitted mermaid construction. Sizing should therefore be selected around the bust, waist and hip measurements of the base gown.

Is a mermaid silhouette suitable when I need more room through the hips?

Mermaid gowns are designed to follow the body through the hip area before opening toward the hem. If your bust, waist and hip proportions differ significantly from standard measurements, custom sizing can be useful for achieving a more balanced fit.

Does the sequin surface affect comfort during a long evening?

Sequined gowns can feel different from smooth satin or chiffon because of their textured surface. For extended wear, consider the areas where the garment contacts the arms and body, along with the overall fit of the fitted mermaid construction.

Can the gown work for both a formal entrance and the rest of the evening?

The detachable train is designed around that change in proportion. With the extension attached, the gown has a longer formal presence. Once removed, the fitted royal blue mermaid foundation becomes the primary silhouette for the remainder of the occasion.

What measurements matter most for a fitted mermaid formal gown?

Bust, natural waist and full hip measurements are especially important because the base gown follows the body before opening toward the hem. Accurate measurements help determine whether standard sizing or custom sizing is more appropriate.

Can custom sizing be requested for different body proportions?

Yes. Custom made service is available for shoppers who need measurements adjusted beyond standard size proportions. This can be particularly helpful for a close fitting mermaid gown where bust, waist and hip measurements need to work together.

Is rush ordering available for an upcoming prom or formal event?

Rush service is currently available with a stated production time of 10 to 15 days. A rush charge applies. Allow additional time for shipping when planning around a fixed event date.