iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable
iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable
iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable
iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable
iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable
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iPhone 11 Case - Blue Octopus - "TentacleTheory" - sustainable

Sale price50€
incl. tax
Phone case + screen protector = up to €500 refunded if your display breaks
Screen protector sold out
For fast wireless charging & flexible mounting
MagSafe accessory is sold out!
Camera glass: protects your lenses from scratches
Camera glass sold out
1 m charging cable: rugged & fast charging
Charging cable is sold out
In stock: with you in 1 - 3 days

Sustainable iPhone 11 case with blue octopus design. The transparent case for the iPhone 11 features a subtle octopus and the Oceanmata logo.

100-day return policy
2-year warranty
Free shipping
PayPal Logo Pay after 30 days
Klarna Logo Pay in 30 days

The impact you make with your Oceanmata case.

Buy product

You buy a product from Oceanmata

Every purchase starts a change.
1 kg of ocean plastic per order.

Team collecting plastic

Our team collects plastic in your name

Fair income through recycling work.
Jobs with real local impact.

Protect the ocean

You create jobs for families

Together we free the ocean from plastic.
Turtles & marine life protected.

Over 321,499 kg of ocean plastic collected so far. See our full transparency

Thanks to your help, we have already

0 KG

Collect and recycle Ocean Plastic.

0 KG Launch 1,000,000 kg

No Ecobump. No Hyperprotect. No Supersoft.

Sorry, we don’t have a fancy name for the material of our phone case.

But you know what we do have?

A promise.

Our case simply does what all those loud-sounding names claim:
It protects your phone. Period.

And because we stand 100% behind this promise,
we’ll even pay for a new smartphone
if yours breaks while using our case and screen protector.

If we had to give it a fancy name?
Dann nennen wir’s einfach: Oceanmata Care.

Because we care – about the ocean. About you. About each other.
For less blah blah. And more real responsibility. 🌊💚

Turtle protection guarantee

Aus unserer Community von über 250.000 Leuten

Marijana – Freediving Instructor
@marijangie
Freediver & Divemaster
afuafex – Wildlife Fotograf
@afuafex
Wildlife Fotograf
Thilo – Segler
@Thilo von Blue Horizon
Segler
Ronja Forcher – Schauspielerin/Autorin
@ronjaforcher
Schauspielerin / Autorin
Laura – Vanlife / Traveller
@laurafruitfairy
Vanlife / Traveller

Designed with Love for the Ocean

Your chance to make a difference!

"Do you feel helpless in the fight against Ocean Plastic?"

"That's how I felt too. Then the idea came about to offer sustainable products with which everyone can collect 1 kg of Ocean Plastic. Because small steps make a big difference. This way we've already been able to collect over 200.000 kg of ocean plastic."

~ Dominik

Founder of Oceanmata

iPhone 11 Case Blue Octopus Sustainable

Protect your iPhone 11 with style!

Discover our sustainable iPhone 11 case with a unique design. This Blue Octopus case not only protects your smartphone but is also environmentally friendly. Show your love for the ocean with this stylish accessory!

Design: Blue Octopus

The design features a subtle blue octopus placed on the bottom corner of the case. The octopus is in a watercolor style, giving the case a playful and artistic touch. The case itself is transparent, allowing your iPhone's design to remain visible. The frame of the case is in a matching blue tone, completing the overall look.

Our Impact in Numbers

By July 2026, Oceanmata had collected over 322.859 kg of plastic from the ocean — recovered by our own clean-up team on Bali. For every product sold we remove 1 kilogram of ocean plastic from the sea and coastal regions.

The manufacturing footprint of an Oceanmata case is around 0,24 kg CO₂e (cradle-to-customer). The kilogram of ocean plastic recovered per case offsets an estimated 2,7 kg CO₂e — making every case net climate-positive on balance (approx. -2,5 kg CO₂e). This balance comes from real plastic recovery, not from purchased CO₂ certificates.

Source: CO2-Datenblatt Oceanmata Bio-Handyhülle (cradle-to-customer, Feb 2026) · As of: July 2026