Companion Cube Phone Cases

123 items

The Cake Is A Lie iPhone Tough Case

Gabriela Mihai

$31.67

~~$39.59~~ (20% off)

Portal Gaming Humor The Cake is A Lie Gift iPhone Tough Case

ScienceCorner

$30.41

~~$38.00~~ (20% off)

Portal Gaming Humor The Cake is A Lie Gift Samsung Galaxy Soft Case

ScienceCorner

$22.00

~~$27.49~~ (20% off)

Item preview, Holographic Cyber Girl Data Cube Sticker Futuristic Tech Aesthetic Curly Hair Sci Fi Baddie Art designed and sold by Wander & Whim Designs.

Holographic Cyber Girl Data Cube Sticker Futuristic Tech Aesthetic Curly Hair Sci Fi Baddie Art iPhone Tough Case

Wander & Whim Designs

$27.87

~~$34.84~~ (20% off)

Aperture Labs and Bake Shop iPhone Tough Case

IndieArtbox

$27.87

~~$34.84~~ (20% off)

Aperture Science Labs Portal Game Samsung Galaxy Soft Case

Axtoria Emporium

$23.83

~~$29.78~~ (20% off)

Placeholders unite! Final assets loading soon™ whenever. iPhone Tough Case

crankymachines

$30.41

~~$38.00~~ (20% off)

You’re My Favorite Test Subject (Companion Cube) iPhone Tough Case

Young Design Lab

$31.67

~~$39.59~~ (20% off)

Companion Cube Grunge Crest Samsung Galaxy Soft Case

packagebulgaria

$26.58

~~$33.22~~ (20% off)

Portal iPhone Tough Case

Conteceres

$30.41

~~$38.00~~ (20% off)

Christmas Companion Samsung Galaxy Soft Case

jabberwock33art

$22.00

~~$27.49~~ (20% off)

Chibi Chell - Portal Samsung Galaxy Soft Case

2B-Store

$23.10

~~$28.87~~ (20% off)

Companion Cube <3 - Portal _ White Lines iPhone Tough Case

2B-Store

$31.93

~~$39.90~~ (20% off)

Companion Cube <3 - Portal _ Black Lines Samsung Galaxy Soft Case

2B-Store

$23.10

~~$28.87~~ (20% off)

Companion Cube <3 - Portal iPhone Tough Case

2B-Store

$31.93

~~$39.90~~ (20% off)

Cake Is a Lie Samsung Galaxy Soft Case

CiliriaArt

$22.00

~~$27.49~~ (20% off)

Companion Samsung Galaxy Soft Case

alliewight

$22.00

~~$27.49~~ (20% off)

Custom Companion Cube iPhone Tough Case

MolnFabrik

$30.38

~~$37.97~~ (20% off)

My Old Companion Cube iPhone Tough Case

MolnFabrik

$30.38

~~$37.97~~ (20% off)

Sleeping on Saturn iPhone Tough Case

HappyRandomArt

$30.41

~~$38.00~~ (20% off)

Companion Cat iPhone Tough Case

Karaneko

$30.41

~~$38.00~~ (20% off)

Aperture Science iPhone Tough Case

matthewschalo

$30.41

~~$38.00~~ (20% off)

Portal Icons Samsung Galaxy Soft Case

matthewschalo

$22.00

~~$27.49~~ (20% off)

Love Portal Tattoo - Love Valentine's Day Lover Couple Cute Funny Samsung Galaxy Soft Case

TheRealmWithin

$22.00

~~$27.49~~ (20% off)

Steampunk Scientist Companion Cube with Gothic Portal-shaped Mechanical Apertures iPhone Tough Case

irek07

$25.59

~~$31.99~~ (20% off)

Sliced Companion Cube iPhone Tough Case

ColaCarnage

$30.41

~~$38.00~~ (20% off)

The Companion iPhone Tough Case

ColettLanctot

$30.41

~~$38.00~~ (20% off)

Don&X27;T Lose The Companion Cube (Transparent) Portal iPhone Tough Case

ChristelSchweiz

$30.41

~~$38.00~~ (20% off)

Science Isn't About Why - It's About Why Not iPhone Tough Case

PlayVerseMerch

$29.14

~~$36.42~~ (20% off)

Companion Cube iPhone Tough Case

KwnBlack

$30.41

~~$38.00~~ (20% off)

A Portal To, Hello Samsung Galaxy Soft Case

TopherJohn

$22.36

~~$27.95~~ (20% off)

Cubes Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

The Bucket _amp_ The Companion Cube Samsung Galaxy Soft Case

PaulJosepht

$22.00

~~$27.49~~ (20% off)

Portal Poster iPhone Tough Case

RedactedAlex

$35.73

~~$44.66~~ (20% off)

Cubes Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

Cube Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

Dice iPhone Tough Case

MoonDesinso

$27.87

~~$34.84~~ (20% off)

A bottle iPhone Tough Case

MoonDesinso

$27.87

~~$34.84~~ (20% off)

cubes Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

cubes Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

Caution-Falling Cubes iPhone Tough Case

slyfo

$30.41

~~$38.00~~ (20% off)

Companion Cube Samsung Galaxy Soft Case

Harry Draws Straws

$22.91

~~$28.64~~ (20% off)

Portal - Companion Cube Inspired Bot iPhone Tough Case

AfroMatic

$38.01

~~$47.51~~ (20% off)

Cubic Bear iPhone Tough Case

CriticalC404

$32.94

~~$41.17~~ (20% off)

Cube Samsung Galaxy Soft Case

MoonDesinso

$20.16

~~$25.20~~ (20% off)

Hive iPhone Tough Case

MoonDesinso

$27.87

~~$34.84~~ (20% off)

Companion Cube Samsung Galaxy Soft Case

DuncanDoonuts

$22.00

~~$27.49~~ (20% off)

Cube iPhone Tough Case

MoonDesinso

$27.87

~~$34.84~~ (20% off)

Portal - Chell and friends iPhone Tough Case

AfroMatic

$38.01

~~$47.51~~ (20% off)

Portal Christmas Box - Companion Cube iPhone Tough Case

ProtonProject

$30.41

~~$38.00~~ (20% off)

Red Sky Cube Mandala 180° Resized iPhone Tough Case

createVisions

$30.91

~~$38.64~~ (20% off)

Red Sky 180° Cube Mandala iPhone Tough Case

createVisions

$30.91

~~$38.64~~ (20% off)

Portal 2 Poster Design iPhone Tough Case

KawaiiJunimo

$30.41

~~$38.00~~ (20% off)

Terraria Companion Cube Samsung Galaxy Soft Case

Mirage Shop

$22.00

~~$27.49~~ (20% off)

Portal Turret Are You Still There? Samsung Galaxy Soft Case

Steven Coman

$23.83

~~$29.78~~ (20% off)

Portal Companions for Life iPhone Tough Case

Surfin' D

$30.41

~~$38.00~~ (20% off)

Lose The Companion Cube Samsung Galaxy Soft Case

shoshanalowma

$25.66

~~$32.07~~ (20% off)

I'm Different - Oracle Turret - Videogame iPhone Tough Case

jacob-jendrey

$32.94

~~$41.17~~ (20% off)

Companion cube Samsung Galaxy Soft Case

LavozdeMIA

$22.00

~~$27.49~~ (20% off)

Love is Stored in the Companion Cube iPhone Tough Case

Kittymayor

$30.41

~~$38.00~~ (20% off)

Portal Ugly Christmas Sweater - "Santa Claus is Coming to Town" Samsung Galaxy Soft Case

Travis Varnum

$24.74

~~$30.93~~ (20% off)

Meat Companion Cube iPhone Tough Case

ColaCarnage

$30.41

~~$38.00~~ (20% off)

Companion Cube Samsung Galaxy Soft Case

SleepyPotato94

$22.91

~~$28.64~~ (20% off)

Portal Samsung Galaxy Soft Case

Danaija69

$29.32

~~$36.66~~ (20% off)

Companion Cube Samsung Galaxy Soft Case

Tabi Cashmore

$22.00

~~$27.49~~ (20% off)

Portal companion v2 white Samsung Galaxy Soft Case

JohnPeace

$22.00

~~$27.49~~ (20% off)

Portal companion v2 black Samsung Galaxy Soft Case

JohnPeace

$22.00

~~$27.49~~ (20% off)

Portal companion v1 white Samsung Galaxy Soft Case

JohnPeace

$22.00

~~$27.49~~ (20% off)

Portal companion v1 black iPhone Tough Case

JohnPeace

$30.41

~~$38.00~~ (20% off)

Weighted Companion Cube Meat iPhone Tough Case

Allison Ghost's Wacky Image Designs

$30.41

~~$38.00~~ (20% off)

Cute Companion Cube iPhone Tough Case

rule-shop

$32.94

~~$41.17~~ (20% off)

Companion Cube iPhone Tough Case

JCalvert-Design

$30.41

~~$38.00~~ (20% off)

Portal companion cube iPhone Tough Case

LokittyLevi

$30.41

~~$38.00~~ (20% off)

Companion cube Samsung Galaxy Soft Case

LunaBaker

$22.00

~~$27.49~~ (20% off)

Companion Cake Samsung Galaxy Soft Case

Snowriander

$22.00

~~$27.49~~ (20% off)

Companions iPhone Tough Case

BlueOrenda

$31.67

~~$39.59~~ (20% off)

Aperture Labs Logo Portal Black Outline Samsung Galaxy Soft Case

LittleSmarthy

$22.00

~~$27.49~~ (20% off)

Aperture Labs Logo Portal White Outline iPhone Tough Case

LittleSmarthy

$30.41

~~$38.00~~ (20% off)

Aperture Labs Logo Portal Black Samsung Galaxy Soft Case

LittleSmarthy

$22.00

~~$27.49~~ (20% off)

Aperture Labs Logo Portal White iPhone Tough Case

LittleSmarthy

$30.41

~~$38.00~~ (20% off)

Cara Mia (Portal Pixel Art) Samsung Galaxy Soft Case

Carlos Tato

$21.63

~~$27.03~~ (20% off)

Blue Portal iPhone Tough Case

Korikian

$30.41

~~$38.00~~ (20% off)

Become a member.Get 25% off your first order.Plus other neat perks and exclusive savings to help you find the very thing.

Phone Cases

Companion Cube

Durable, slim, and lightweight, featuring super-bright, high-quality prints that won't fade. Deck out your iPhone and Samsung with Companion Cube designs. Available options to perfectly fit iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 17 Air, iPhone 16, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16 Plus, iPhone 15, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15 Plus, iPhone 14, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 14 Plus, iPhone 13, iPhone 13 Pro, iPhone 13 mini, iPhone 13 Pro Max, iPhone 12, iPhone 12 Pro, iPhone 12 mini, iPhone 12 Pro Max, iPhone SE (2020), iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone XS, iPhone XS Max, iPhone X, iPhone XR, iPhone 8, Galaxy S26, Galaxy S26+, Galaxy S26 Ultra, Galaxy S25, Galaxy S25+, Galaxy S25 Ultra, Galaxy S24, Galaxy S24+, Galaxy S24 Ultra, Galaxy S23, Galaxy S23+, Galaxy S23 Ultra, Galaxy S22, Galaxy S22+, Galaxy S22 Ultra, Galaxy S21, Galaxy S21+, Galaxy S21 Ultra, Galaxy S20, Galaxy S20+, Galaxy S20 Ultra and more.

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Companion Cube Phone Cases

Worldwide Shipping

Secure Payments

Free Return

Local Support

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