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Square-Trunk iPhone 18 Pro Max Cases

Style your everyday with MODA Square-Trunk iPhone 18 Pro Max Cases—bold, chic, and made to complement every look, from workdays to weekends. With its signature square-trunk silhouette and fashion-forward finish, it brings statement style to every moment and makes you stand out in the crowd.

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111 products
  • A protective phone case with a colorful bohemian mandala patchwork design, featuring a central circular grip ring and a black border with gold-tone metal studs and corner protectors.
    Mystique Halo
    £35.00
    £35.00
  • iPhone 17 Pro phone case with a religious pattern and ring holder on a white background
    Enigma Aura
    £35.00
    £35.00
  • An orange quilted phone case with a black and gold frame, featuring a circular magnetic ring on the back.
    Maison Quilted Mag
    £38.00
    £38.00
  • Orange quilted phone case with gold accents on a white background
    Maison Dash Trunk
    £35.00
    £35.00
  • A rose gold phone case with a textured glitter finish, featuring a large circular MagSafe ring on the back and a matching metallic camera bumper, shown on a white background.
    Éclat Forme Mag
    From £31.00
    From £31.00 £23.00
  • glitter black square phone case
    Prism Forme MagSafe
    £31.00
    £31.00 £23.00
  • A luxury-style phone case with a light pink textured leather front pocket, a black border, gold-tone metal studs, and corner protectors, shown on a white phone against a clean white background.
    Confetti Wallet
    £38.00
    £38.00
  • A pink textured faux leather phone case with a snap-button flap and a built-in card pocket, featuring gold-tone metal corner protectors and a black border with gold studs, shown on a white background.
    Cuir Carry
    £38.00
    £38.00
  • square transparent iPhone 18 Pro Case
    Verre Forme Mag
    £27.00
    £27.00
  • sparkly rectangle magsafe iPhone case
    Glimmer Mag
    £31.00
    £31.00 £23.00
  • A protective phone case designed for a Samsung Galaxy Ultra, featuring a black studded border, a light mint green textured background, and a central rose gold glitter butterfly accent.
    Opaline Papillon
    £38.00
    £38.00
  • A luxury phone case designed for a Samsung Galaxy Ultra, featuring a pink and gold color scheme with a central butterfly embellished with rhinestones. The case has a structured, hard-shell design with gold-tone rivets and corner protectors, and the text 'LIMITED EDITION BUTTERFLY' printed near the bottom.
    Gilded Butterfly Trunk - Limited Edition
    £38.00
    £38.00
  • A protective phone case featuring a black and gold leopard print lower section, a black and gold zebra stripe pattern upper section, and a circular rhinestone-embellished gold center ring, all framed by a black border with gold studs and corner protectors.
    Aurum Leopard
    £35.00
    £35.00
  • leopard square trunk iPhone case
    Safari Trunk
    £35.00
    £35.00
  • An orange leather phone case featuring a teddy bear design and embossed monogram motifs, framed by a black border with gold-tone studs and corner protectors.
    Bébé Charm Trunk
    £35.00
    £35.00
  • quilted iPhone trunk case with finger ring
    Milano Grace
    £35.00
    £35.00
  • A luxury-style phone case featuring a white quilted leather-texture back, a black border, and gold-tone metal studs, corner protectors, and a central padlock clasp, shown on a white background.
    Maison Lambskin Quilt
    £35.00
    £35.00
  • A luxury-style black phone case designed for a multi-camera smartphone, featuring a quilted leather texture, gold-tone metal studs, corner protectors, and a central padlock clasp, shown on a plain white background.
    Noir Plaid Soft
    £35.00
    £35.00
  • A red textured phone case designed to look like a luxury trunk, featuring a black border, gold-tone studs, corner protectors, and a central gold clasp, shown on a white smartphone.
    Rouge Plaid Soft
    £35.00
    £35.00
  • A pink textured phone case designed to look like a luxury trunk, featuring a black border with gold-tone studs, corner protectors, and a central gold clasp lock, shown on a white smartphone.
    Pink Trunk Charm
    £35.00
    £35.00
  • An orange embossed leather phone case with a rose pattern, gold-tone corner protectors, and a black studded border. It features a circular MagSafe-compatible ring on the back and a silver camera cutout at the top.
    Rose Atelier Mag
    £38.00
    £38.00
  • A protective phone case with a translucent pink bumper frame and a back panel featuring a pink and purple gradient MagSafe ring, shown on a white background.
    Aurora Shield
    £35.00
    £35.00 £23.00
  • A luxury-style smartphone case with a black border, gold corner protectors and hinges, and a central round mirror set in a rhinestone-embellished gold and pink grid pattern. The case is shown on a white phone against a clean white background.
    Éclat Mirror Hold
    £35.00
    £35.00
  • Phone case with glittery design and mirror ring holder on a white background
    Lumière Halo Mag
    £35.00
    £35.00
  • A protective phone case with a black textured background, gold floral patterns, and gold corner accents, shown on a white phone against a plain white background.
    Aurum Floral Line
    £35.00
    £35.00
  • iPhone 17 Pro case with tortoiseshell pattern on a white background
    The Vantore
    £31.00
    £31.00
  • Black wallet phone case with a lanyard on a white background
    The Kardax
    £38.00
    £38.00
  • Zipper wallet iPhone case
    Élise Zip Carry
    £38.00
    £38.00
  • rainbow tweed fabric iphone case
    Prism Tweed
    £35.00
    £35.00
  • A luxury-style phone case featuring a beige woven leather texture, a central circular ring stand embellished with rhinestones, and a black border with gold-tone studs and corner protectors.
    Ivory Tweed
    £35.00
    £35.00
  • A protective phone case featuring a green and teal marbled pattern, framed by a black border with gold-tone rivets and corner protectors, and a central circular ring stand embellished with small clear stones.
    Emerald Veil
    £35.00
    £35.00
  • A luxury phone case designed for a Google Pixel, featuring a black and gold color scheme. The case has vertical black stripes with textured gold crystal-like inserts, a central gold circular medallion with a black rose motif, and gold-tone metal corner protectors and rivets.
    Élise Poise
    £35.00
    £35.00
  • oil painting square trunk phone case
    Bloom Trunk
    £35.00
    £35.00
  • A protective phone case with a black galaxy background, decorated with a pink rose, glittery lips, a magnifying glass with the word 'Sweet', and a pink lipstick tube, framed by gold-tone rivets and corner protectors.
    Cosmic Amour
    £35.00
    £35.00
  • A protective phone case with a bold, glamorous 'Queen' theme. The design features a central graphic of pink lips under a gold crown, surrounded by rhinestones, with 'Queen' written in gold script.
    Royal Pout
    £35.00
    £35.00
  • A protective phone case with a black and white vertical stripe pattern, gold-tone rivets, corner bumpers, and a central graphic of dripping pink lips holding a gold toothpick with the word 'FASHION' written inside.
    Rouge Tempt
    £35.00
    £35.00
  • Gold iPhone case with wood grain design and ring holder on a white background
    Lumi Poise
    £35.00
    £35.00
  • A protective phone case designed for a iPhone 18 Pro Max, featuring a black border with gold-tone rivets and corner protectors, a silver rhinestone-embellished center, and a gold-tone ring stand on the back.
    Crystal Poise
    £35.00
    £35.00
  • A luxury-style phone case designed to look like a vintage trunk, featuring a beige wood-grain textured center, a black border, gold-tone rivets, corner protectors, and a central gold clasp, shown on a white background.
    Éclat Locké
    £35.00
    £35.00
  • A gold glitter phone case with a black border, gold corner protectors, and a central gold clasp, shown on a white smartphone against a white background.
    Pure Éclat
    £35.00
    £35.00
  • A gold glitter phone case with a black bumper frame adorned with clear rhinestones, shown on a white background.
    Luminous Essence
    £31.00
    £31.00 £23.00
  • Phone case with pink glittery design and gold accents, featuring a beaded charm on a light gray background.
    Serpent Élégance
    £38.00
    £38.00 £23.00
  • A protective phone case with a geometric mosaic pattern featuring lavender glitter, light purple marble, and pink marble triangles outlined in rose gold. The case has a black border with gold-tone rivets, corner protectors, and hinges, and a central circular crystal-embellished ring stand.
    Blush Marble Glow
    £35.00
    £35.00
  • marble square iphone case red
    The Aurora Orbit
    £35.00
    £35.00
  • gold and black iPhone case
    Aurum Prism
    £35.00
    £35.00 £0.00
  • Luxury phone case with geometric design and rose gold accents on a white background
    Noir Aurum Stripe
    £35.00
    £35.00
  • blue butterfly square pholne case
    Opaline Papillon Bleu
    £35.00
    £35.00
  • opal shell trunk iphone case
    Opaline Mirror Papillon
    £38.00
    £38.00

Cute Rectangle iPhone 18 Pro Max Case

The MODA square-trunk iPhone 18 Pro Max cases are designed for people who want their phone case to feel as intentional as their outfit. Its larger Pro Max size makes the signature rectangle shape even more eye-catching, creating a structured, fashion-forward look inspired by vintage travel trunks and modern statement accessories.

Built for daily styling and daily protection, the square-trunk phone case pairs a distinctive square frame with practical coverage for your phone. Reinforced corners help protect against everyday bumps, while raised edges help shield the screen and camera area.

Select styles may include glossy finishes, gold-tone accents, glitter effects, quilted textures, animal prints, ring stands, cute accessories, or MagSafe-compatible function, giving each case a different mood and personality.

Choose a sleek quilted case for a polished city look, a glitter or rhinestone style for nights out, a leopard or houndstooth print for bold fashion energy, or a marble, floral, shell, or holographic finish for something more artistic and expressive.

From mirror selfies and coffee runs to travel days, shopping trips, commutes, and evening plans, this square-trunk case turns your iPhone 18 Pro Max into a statement piece that is protective, practical, and made to be seen.

Let customers speak for us

from 406 reviews
So Glam in Person

The gold glitter is gorgeous and really catches the light. I love the trunk-style details—it makes the case feel fun, bold, and surprisingly luxe.

Becki M.
Pure Éclat
Sparkly but Still Classy

Love the shimmer and rhinestone details. It catches the light beautifully and makes my phone look so much more dressed up without being too over-the-top.

Becki M.
Luminous Essence
Beautiful phone case

So happy with my modcase for my iphone 17. Not only is it so pretty and stylish I know my phone is protected. Its very well made and not thin and flimsy like cases Ive had in the past. So happy with it that I want another one. The only down side is its really hard to choose one because theres so many nice ones

Laureta Timmins
Noir Papillon Dream
Looks Like a Mini Luxury Trunk

The blue shimmer and gold details are gorgeous together. It feels bold, glamorous, and much more expensive than I expected.

Jennifer M.
Éclat Locké
A bejeweled trunk for your phone

This cell phone case is so nice. I love the vibrant colors. It feels sturdy. I love the band around the edge. It looks like a little trunk for your cell phone. I love the square style as well. I would buy another style to switch it up.

Colleen O
Mandala Halo
So pretty

Love my new square case❤️❤️❤️❤️❤️

Carole T.
The Aurora Orbit

Just as advertised! The strap is stretching out nicely and everything is of good quality.

Samual
Stick-On Nylon Phone Strap
Fantastic

I thought they looked interesting, statement making, to see them was amazing. They are very well made and so fun to use. I bought two, one was very springy and one was very flashy and I really want to buy another one. It’s like having a stylish handbag or jewelry. So fun!

Catherine
Opal Bloom
Great

This is my second one it stops your phone from breaking. It is so sturdy. I must drop my phone 15 to 20 times and I never have an issue if it was a different case they would be an issue. It’s made very strong.

Donna Sousa
Crystal Poise
Love this phone case

I got a new phone and needed a new case, trying several different ones, but never really liking any of them, really struggling to get the cards I need to carry to fit properly. In my search I eventually found the exact same style of case that I had originally been using for my previous phone (that I was really happy with), on this site, so I planned to just get that one again, until I spotted this model. Way better design whereby I can easily store all the different cards i need, and because it zips shut, there's absolutely no risk of it accidentally popping open and the cards falling out. Plus you have the added feature of being able to use the included strap to simply pop it over your shoulder, or around your neck, freeing up your hands completely. I really hate trying to shove my phone into different pockets, plus doing that makes the phone less accessible, so I really love this feature. I didn't bother to include a photos with this review because it genuinely does come exactly as shown. Really love this great value case.

R W-S
Maison Carry Crossbody