School Formal Dresses

Add a soft pop of colour and fluid movement to your wardrobe with the Tilly Tiered Maxi Dress in Blue. This breezy maxi dress features a flowing flared tiered design that brings volume and ease, creating a silhouette that moves beautifully with every step.

Crafted from textured satin fabric, the Tilly offers a subtle sheen and an elevated finish while maintaining a casual, relaxed fit. The fabric feels light and breathable with a soft drape—perfect for long days or balmy nights. While the fabric has no stretch, the generous shape and airy tiers provide comfort without compromising style.

Delicate adjustable thin straps let you tailor the neckline to your perfect fit, while the tiered skirt adds graceful movement that makes this dress ideal for beach escapes, garden parties, or even everyday styling with a denim jacket and slides.

Size: Large

Recommend Fit: Large 10- Small 14

Condition: Good

RRP: $445 NZD

The Solstice Cupro Dress – Black

Modern, sculptural and effortlessly sophisticated — the Solstice Cupro Dress is designed to contour the body through elegant draping and striking asymmetrical detailing. Perfect for formal events, cocktail parties and elevated evening occasions where making a statement comes naturally.

Available for dress hire in New Zealand through Treasure Boxx 

BEST FIT – Size XS on tag, Best fit 6-8

Style & Fabric Features:

• Elegant one-shoulder neckline that creates a modern, sculpted silhouette.
• Striking cut-out detail across the bust for a contemporary edge.
• Soft draped detailing that flows from the bust to the waist, contouring the body beautifully.
• Semi-exposed back with gathered detailing through the centre back for an elevated finish.
• Full maxi-length silhouette that elongates the figure and moves effortlessly.
• Crafted from a luxurious cupro blend with slight stretch for comfort and a flattering fit.

Rental Terms:

Please select the date you will be WEARING the dress — the return date is based on this.
If you require any measurements, please email info@treasureboxx.co.nz.
Orders placed after 1pm for the same weekend will be sent the following day.

Styling Tips:

• Pair with statement earrings and sleek heels for a polished evening look.
• A minimalist clutch allows the architectural silhouette to remain the focal point.
• Wear your hair in a sleek bun or soft waves to highlight the asymmetrical neckline.
• Add a tailored blazer for cooler evenings without taking away from the striking design.

Perfect For:

Formal events, cocktail parties, engagement celebrations, black-tie occasions and any event where you want to feel confident, modern and effortlessly glamorous.

Harlow Satin Maxi Dress – Chilli

Bold, glamorous and designed to make an entrance — the Harlow Satin Maxi Dress is the perfect statement piece for formal events, black-tie occasions and elevated celebrations. Combining luxurious satin fabrication with striking hardware details, this gown effortlessly balances sophistication and drama.

Available for dress hire in New Zealand through Treasure Boxx 

BEST FIT – Size XS  on tag, Best fit - 6 

Dress has been taken up 13cm 

Style & Fabric Features:

• Striking deep plunge neckline that creates an elegant, elongated silhouette.
• Dramatic open-back design for a sophisticated yet statement-making finish.
• Signature metal hardware detailing at the hip, securing cascading waterfall sashes.
• Soft gathers through the waist designed to flatter and contour the body.
• Elegant high leg split that adds movement and a touch of drama.
• Crafted from luxurious sandwashed satin fabrication with a smooth, fluid finish.
• Full maxi-length silhouette designed for unforgettable occasion dressing.

Rental Terms:

Please select the date you will be WEARING the dress — the return date is based on this.
If you require any measurements, please email info@treasureboxx.co.nz.
Orders placed after 1pm for the same weekend will be sent the following day.

Styling Tips:

• Pair with statement earrings and delicate heels to complement the dramatic neckline.
• Opt for a sleek clutch and minimal jewellery to let the hardware detailing shine.
• Wear your hair in a slick bun or glamorous waves to showcase the open-back design.
• Complete the look with metallic or nude heels for a timeless finish.

Perfect For:

Black-tie events, formal occasions, gala dinners, school balls, engagement celebrations and any event where you want to feel confident, glamorous and unforgettable.

Colour: Black
Fabric: Polyester

The Maggie Maxi dress is all about dramatic drapes and form fitting silhouettes. Pair this beauty with heels and a sleek pony, and you'll be best dressed at the ball. Great for  weddings, school balls, awards evenings and black tie events.

DETAILS:

- Strapless

- Scooped neckline with high apex

- Dropped waist

- Cowl overlay skirt with deep pleats

- Lace up back

Colour: Black
Fabric: Polyester/Spandex

The Calira dress by Tojha is an elegant style - perfect for a special occasion or event! Pair it with statement earrings, heels and glamorous waves in your hair to complete the look.

Perfect for cocktail parties, black tie, birthdays, weddings, date nights, awards evenings and engagements.

DETAILS
- Off the shoulder
- Elongated sleeve
- Slimline Fit

RRP $800

PICK UP ONLY

Stunning strapless maxi dress with irregular frill detail throughout. This dress has a fitted bodice with internal boning and a fuller skirt with a high leg split to one side. 

We stock this in size 8/S in the highly desirable lemon yellow colour. 

This gown is perfect for balls, black tie events, or as a wedding guest. 

PLEASE NOTE: This dress is PICK UP ONLY, unfortunately NO COURIER ORDERS for this dress. Please accept our apologies, this dress is boned and layered with a lot of fabric so it does not fold up into a courier bag well. 

Feel your most beautiful in the Magic Muse Maxi Dress in Baby Blue. Features a strapless neckline with grip‑tape support and internal boning through the corset‑inspired bodice. The drop waist transitions into a voluminous skirt. Finished with lining and a back zipper closure for a seamless silhouette. Style with chic heels and simple jewellery to let the dress truly speak for itself.

 Size on Tag: S

Recommend Fit: Large 6-8

Condition: New 

RRP: $225

Rosa Gown – Mauve

Romantic, feminine and effortlessly elegant — the Rosa Gown in Mauve is designed to create a soft, sculpted silhouette while making a graceful statement. Perfect for formal events, engagement celebrations, bridal occasions and elevated evening wear.

Available for dress hire in New Zealand through Treasure Boxx 

BEST FIT – Size M on tag, Best fit 10-12

The garment has been hemmed 2 inches.

Please note: Due to the length and delicate fabric, extra care is required when wearing this garment. Not recommended for outdoor events as the hem is highly susceptible to staining.

Style & Fabric Features:

• Soft mauve tone that feels romantic, modern and flattering on all skin tones.
• Elegant draped silhouette designed to contour the body beautifully.
• Feminine neckline that highlights the shoulders and décolletage with a refined finish.
• Flowing maxi skirt that moves effortlessly with every step.
• Luxe lightweight fabrication with a soft sheen for an elevated feel.
• Figure-skimming fit that balances comfort with sophisticated structure.
• Invisible zip closure for a seamless silhouette.

Please select the date you will be WEARING the dress — the return date is based on this.
If you require any measurements, please email info@treasureboxx.co.nz.
Orders placed after 1pm for the same weekend will be sent the following day.

Styling Tips:

• Pair with delicate gold or silver jewellery for a soft, elevated finish.
• Nude or metallic heels complement the mauve tone beautifully while elongating the silhouette.
• A sleek clutch and soft glam makeup complete the romantic aesthetic perfectly.
• Wear hair in soft waves or a low bun to highlight the neckline and draping.

Perfect For:
Formal events, engagement parties, bridal showers, gala evenings, weddings and any occasion where you want to feel feminine, polished and effortlessly elegant.

RRP $855

PICK UP ONLY

Stunning strapless signature Aje bubble hem dress. The bodice features delicate ruched and folded detail in white with a drop drop waist and black bubble skirt with an asymmetrical split detail at the front.

This dress is a classic update on the black version, whilst still classic in black and white this style is more memorable. 

This dress is heavy, lined with a full skirt and exudes elegance and style. This is the perfect rental dress for your next formal, black tie or awards evening. 

We stock in size 6/XS and the dress will fit a standard size 6, there is also an adjustable panel in the back which create the perfect fit. 

PLEASE NOTE: This dress is PICK UP ONLY, unfortunately NO COURIER ORDERS for this dress. Please accept our apologies, this dress is very heavy and there is a lot of fabric so it does not fold up well. 

Recommended sizing:

Label size S (8) - Recommended fit: 8

Description:

Features a structured rosette-embroidered bodice that delicately contours the silhouette, suspended by fine shoulder straps for an understated elegance. Flowing from the waist, a soft chiffon skirt cascades effortlessly to the floor, creating subtle movement with every step.

RRP $500

Garment Condition/Notes:

No significant flaws.

Please note the frilly trim between the lace bodice and skirt has a slightly more frayed appearance than shown in the photos. The lace on the bodice may be loose in some areas. While we regularly maintain and repair the garment, minor looseness may occur between rentals.

Please note this dress is a rental and may show minor signs of previous wear. Due to its light colour, small marks may appear over time. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

Recommended sizing:

Label size XS (6) - Recommended fit: 6

Label size M (10) - Recommended fit: 10

Label size L (12) - Recommended fit: 12

Description:

Features a structured rosette-embroidered bodice that delicately contours the silhouette, suspended by fine shoulder straps for an understated elegance. Flowing from the waist, a soft chiffon skirt cascades effortlessly to the floor, creating subtle movement with every step.

RRP $500

Garment Condition/Notes:

No significant flaws.

Please note the frilly trim between the lace bodice and skirt has a slightly more frayed appearance than shown in the photos. The lace on the bodice may be loose in some areas. While we regularly maintain and repair the garment, minor looseness may occur between rentals.

Please note this dress is a rental and may show minor signs of previous wear. Due to its light colour, small marks may appear over time. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

Colour: Plum Brown
Fabric: Polyester

The Cornelia Maxi Gown is all about dramatic drapes and form fitting silhouettes. Pair this beauty with heels and a sleek pony, and you'll be best dressed at the ball. Great for  school balls, awards evenings and black tie events.

DETAILS:

- Square neckline

- Adjustable tapered shoulder straps.- Boning in bodice

- Dropped waist

- Cowl overlay skirt with deep pleats

- Lace up back

Colour: Plum Brown
Fabric: Polyester

The Maggie Maxi dress is all about dramatic drapes and form fitting silhouettes. Pair this beauty with heels and a sleek pony, and you'll be best dressed at the ball. Great for  weddings, school balls, awards evenings and black tie events.

DETAILS:

- Strapless

- Scooped neckline with high apex

- Dropped waist

- Cowl overlay skirt with deep pleats

- Lace up back

Size - 12

Description- 

Women's maxi dress. Voluminous silhouette. Layered ruffles throughout. Halter neckline. Adjustable straps with back ties, Lined

Condition- Perfect 

Recommend fit  Large 10-14

The Bronte & Allira Set is the definition of understated elegance — designed for the moments that call for something effortlessly refined yet unforgettable. Featuring the sculpted Bronte Top paired with the flowing Allira Skirt, this set combines soft femininity with modern sophistication in a silhouette that feels both timeless and elevated.

The structured fit of the top contrasts beautifully against the fluid movement of the skirt, creating a look that flatters the body while still feeling soft and romantic. Designed to move with you, the Bronte & Allira Set captures that effortless energy of long lunches, destination weddings, sunset cocktails, and special occasions where simplicity speaks the loudest.

Minimal yet striking, this set was made for the girl who loves clean silhouettes, luxurious textures, and pieces that feel effortlessly beautiful from every angle.

The Verity & Allira Set is a striking balance of structure and softness, designed for moments that deserve something unforgettable. Featuring the sculpted Verity Bustier paired with the flowing Allira Skirt in rich chocolate tones, this set feels both timeless and undeniably modern.

The fitted silhouette of the bustier enhances and contours the body beautifully, while the fluid movement of the skirt creates an effortless sense of elegance with every step. The deep chocolate colour adds warmth and sophistication, making this set feel luxurious, elevated, and endlessly flattering.

Perfect for formal occasions, destination weddings, evening celebrations, and candlelit dinners, the Verity & Allira Set was made for the girl who gravitates toward refined silhouettes, romantic details, and understated glamour that leaves a lasting impression.

Turn heads in the Elizabeth Dress in Malachite, a bold, high-impact gown designed to contour the body and shimmer with every movement. Perfect for formal events, balls, and standout evening moments where you want to feel confident and unforgettable.

BEST FIT – Size XS on tag would fit a 6

Style & Fabric Features:

• Luxe sequin fabrication with a soft, stretchy feel that hugs the body while remaining comfortable.
• Strapless neckline for a clean, sculpted silhouette that highlights the shoulders and décolletage.
• Fully lined in soft nylon mesh for comfort while maintaining a sleek, body-skimming fit.
• Elegant floor-length silhouette that elongates the figure.
• High centre-back split for ease of movement and a subtle, modern edge.
• Rich malachite green tone with a luminous finish that catches the light beautifully.

Please select the date you will be WEARING the dress — the return date is based on this.
If you require any measurements please email info@treasureboxx.co.nz

Orders placed after 1pm for the same weekend will be sent the following day.

Styling Tips:

• Pair with minimal gold or silver jewellery to let the dress shine.
• Opt for strappy heels in metallic or black to complement the bold tone.
• A sleek clutch will complete the look without taking away from the statement fabric.
• Style hair in soft waves or a slick bun to highlight the strapless neckline.

Perfect For:
Balls, formal events, gala evenings, milestone celebrations or any occasion where you want to feel bold, confident and effortlessly glamorous.

Size - M 

Description - 

Soft Stretch Sequin Dress. Super soft, stretchy, and comfortable sequin fabric. Fully lined in nylon mesh, mesh band at top and bottom hem. Strapless pull-on design. Floor length dress with a high slit at center back  

Condition - Good (A few sequins missing not noticeable when on)

Recommended Fit - 8 to 10 

RRP - $700

Recommended sizing:

Label size XS (6) - Recommended fit: 6

Label size M (10) - Recommended fit: 10

Description:

Showcases a stylish drop waist bodice that flows into a pleated fall skirt. Its gorgeous folded bodice design adds a touch of elegance and sophistication - split at back of skirt to help with movement

Material: 95% Polyester / 5% Elastane

RRP $520

Garment Condition/Notes:

No significant flaws.

Please note the bust area has slight pink discolouration compared to the white shown in the photos.

Please note this dress is a rental and may show minor signs of previous wear. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

• Size 8/S (8-10)
• Condition - Very Good
• Colour - Baby Pink

Description