A person snorkeling underwater, equipped with goggles, a snorkel, and their iPhone secured by Catalyst's black Waterproof Case and a floating wrist lanyard. They're capturing photos of the stunning backdrop of rocks and coral.
The Catalyst iPhone 16 Pro Max Waterproof Case in Black offers a sleek design with 33ft waterproof capability for stunning underwater shots, 6.6ft drop proof durability, pristine photo clarity, crystal-clear sound, easy button access, and a scratch-proof touchscreen.
A woman snorkeling in a yellow suit and goggles captures vibrant marine life with an iPhone in a black Catalyst waterproof case.
The Catalyst Waterproof Case for iPhone 16 Pro Max, in black, is shown submerged in water with text highlighting its IP68 protection—waterproof up to 33ft/10m.
A hand holds a mud-splattered iPhone, encased in a black Catalyst total protection waterproof case, ideal for hiking adventures in the great outdoors.
Close-up of a black Catalyst iPhone 16 Pro Max - Waterproof Case, shielding against flying debris. Text highlights drop-proof feature up to 2 meters, MIL-STD-810G standard, over 4000 drop tests, and 0% damage—ensuring total protection and shock proofing.
The Catalyst Waterproof case for iPhone in black features a fully sealed design and comes with Floating Wrist Lanyard. Text on the case reads, "Attach Accessories to 2 Corners." Perfect for capturing underwater moments.
Colt Dayne reviewing a Catalyst Waterproof Case for iPhone when she goes running. She says that she has been looking for a case that she knows that she can count on as she has broken her phone twice while running as well as water damage from the dips that she takes in the ocean that she takes after her runs. Her phone survived the ocean dips and now she has a new case to bring on her runs and ocean dips
A hand holding keys tries to scratch an iPhone 16 Pro, but the Catalyst Waterproof Case in black with a 9H scratch-resistant built-in screen protector prevents damage.
iPhone 16 Pro Max - Waterproof Case, Total Protection in Black features a fully protective design with a responsive "9H Scratch Proof" screen protector, it allows users to type and swipe effortlessly while offering serious protection.
The iPhone 16 Pro Max in a black Catalyst waterproof case displays a video call with advanced noise cancellation, ensuring clear conversations without worry in unexpected situations.
Two people underwater use the Catalyst iPhone 16 Pro - Waterproof Case, Total Protection in black, wearing masks and snorkels. Text reads: "Take Clear Photos Even Under Water." Fish swim behind them.
Kara Dvernichuk shares her experience with the Catalyst Waterproof Case for iPhone. She is able to take clear underwater videos just using her phone with the case on. She even talks about attaching a Floating Wrist Lanyard to the case so the phone floats when you drop it in the water. You won't have to worry about losing your phone underwater. She has fun filming with this case and finds it convenient to take underwater videos wherever she goes.
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
A compatibility chart shows that the Catalyst iPhone 16 Pro Max Waterproof Case is compatible with only the iPhone 16 Pro Max, which has a 6.3-inch screen marked with a green check. This case is not compatible with the iPhone 16, iPhone 16 Plus, or iPhone 16 Pro.
Two iPhones 16 Pro, encased in Catalyst's black waterproof, drop-proof cases, are pictured with water splashing around them, showcasing their exceptional water resistance.
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A person snorkeling underwater, equipped with goggles, a snorkel, and their iPhone secured by Catalyst's black Waterproof Case and a floating wrist lanyard. They're capturing photos of the stunning backdrop of rocks and coral.
The Catalyst iPhone 16 Pro Max Waterproof Case in Black offers a sleek design with 33ft waterproof capability for stunning underwater shots, 6.6ft drop proof durability, pristine photo clarity, crystal-clear sound, easy button access, and a scratch-proof touchscreen.
A woman snorkeling in a yellow suit and goggles captures vibrant marine life with an iPhone in a black Catalyst waterproof case.
The Catalyst Waterproof Case for iPhone 16 Pro Max, in black, is shown submerged in water with text highlighting its IP68 protection—waterproof up to 33ft/10m.
A hand holds a mud-splattered iPhone, encased in a black Catalyst total protection waterproof case, ideal for hiking adventures in the great outdoors.
Close-up of a black Catalyst iPhone 16 Pro Max - Waterproof Case, shielding against flying debris. Text highlights drop-proof feature up to 2 meters, MIL-STD-810G standard, over 4000 drop tests, and 0% damage—ensuring total protection and shock proofing.
The Catalyst Waterproof case for iPhone in black features a fully sealed design and comes with Floating Wrist Lanyard. Text on the case reads,
A hand holding keys tries to scratch an iPhone 16 Pro, but the Catalyst Waterproof Case in black with a 9H scratch-resistant built-in screen protector prevents damage.
iPhone 16 Pro Max - Waterproof Case, Total Protection in Black features a fully protective design with a responsive
The iPhone 16 Pro Max in a black Catalyst waterproof case displays a video call with advanced noise cancellation, ensuring clear conversations without worry in unexpected situations.
Two people underwater use the Catalyst iPhone 16 Pro - Waterproof Case, Total Protection in black, wearing masks and snorkels. Text reads:
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
iPhone 16 Pro Max - Waterproof Case, Total Protection-CA
A compatibility chart shows that the Catalyst iPhone 16 Pro Max Waterproof Case is compatible with only the iPhone 16 Pro Max, which has a 6.3-inch screen marked with a green check. This case is not compatible with the iPhone 16, iPhone 16 Plus, or iPhone 16 Pro.
Two iPhones 16 Pro, encased in Catalyst's black waterproof, drop-proof cases, are pictured with water splashing around them, showcasing their exceptional water resistance.

iPhone 16 Pro Max - Waterproof Case, Total Protection-CA

image not available253,984+ Happy Customers
Sale price$134.99 CAD
SELECT Color: Black

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Trusted by thousands of users

"Here's how I take my iPhone underwater to get crystal clear shots -- just like this one, whilst traveling."

image not available Chloe (@chloelawford)
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"The case kept my phone completely clear of any water. I've been to 23 countries now and I've always used a case like this. But this is by far, the best one I've used quality wise."

image not available Lauren (@ laurenkirbyy_)
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"Dude, that thing got launched. Look at this. OMG, it's just dust. Everything is completely fine. That's crazy!!!"

image not available Andrew (@andrewtheparkrat)
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Talk about perfection

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Definitely a book you can judge by its cover

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The most robust iPhone case ever made

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An impenetrable bubble for your phone

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Total Protection case certainly measures up to its title

image not available This Catalyst phone case is the BEST! My phone took beautiful photos through the case - both underwater and above water - the case kept my phone bone dry.
image not available I can wash off my phone a bunch of times a day and not worry about if it’s alcohol sanitizer, germicidal wipes, or surgical scrub soap.
image not available Case is very well made and seals perfect. I can even use it on my gimbal. The Lidar works great too. Had a drop onto hard tiles. Not even a mark. Works in the pool too. Worth every penny. 👍
image not available I have 3 boys and the case I got needed to be the best. I have dropped my phone multiple times over the past 6 months I have had this case and it’s held up great. Not a scratch on my phone!
image not available This is the best case I have ever had; it is worth the purchase if you want to keep your phone away from water.
01

Waterproof 10m

Fully seals out water, dust & dirt

02

Drop Proof 2m

Withstand drops, shocks & scratches

03

Touch Responsive Built-In Screen Protector

Easy to type, Won't interfere with facial recognition

04

Washable & Disinfectable

Washable with soap & water. Disinfectable with EPA approved disinfectants.

Your iPhone’s Best Defense!

Your iPhone’s Best Defense!

Specification

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  • (L) 174.5mm x (W) 90.0mm x (H) 16.0mm (TBC) (L) 6.87" x (W) 3.54" x (H) 0.63“ (TBC)

Compatibility

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  • iPhone 16 Pro Max
  • Not compatible with the iPhone 16 Pro Max, iPhone 16 Plus, iPhone 16, iPhone 15 Pro Max, iPhone 15 Pro, iPhone 15 Plus, iPhone 15, iPhone 14 Pro Max, iPhone 14 Pro, iPhone 14 Plus, iPhone 14, iPhone SE (3rd generation), iPhone 13 Pro Max, iPhone 13 Pro, iPhone 13, iPhone 13 mini, iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini, iPhone SE (2nd generation), iPhone 11 Pro Max, iPhone 11 Pro, iPhone 11, iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, iPhone SE (1st generation), iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, iPhone 4s, iPhone 4, iPhone 3GS, iPhone 3G, and the original iPhone.

Learn how to  I dentify your iPhone model  and its  compatibility.

Non compatible iPhone Models are listed  HERE .

Features

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  • 10M Waterproof (IP68)
  • 2M Drop Proof (MIL-STD-810G)
  • Snow / Dirt / Sand Proof
  • 5G & Wireless Charging Compatible (No MagSafe ring, may affect magnetic alignment)
  • Scratch-Proof Touchscreen with 9H Screen Protector
  • Face ID Compatible
  • Clear Housing Showcases iPhone (translucent to see o-ring alignment)
  • Hard-Coated Optical Lens for Clear Photos
  • True Sound Acoustics for Clear Calls & Noise Cancellation
  • Easy to Press Buttons & Camera Control (swipe movements not supported)
  • Fingerprint-Free Frosted Case Back
  • 2 Integrated Attachment Points for Accessories or Lanyards
  • Wrist Lanyard Included (pull-tested to 10kG)
  • Charge Port Fits 12.5mm x 6.8mm Cables
  • Washable with Soap & Water
  • Cleanable with EPA-approved Disinfectants (70% isopropyl alcohol, 70% ethanol, Lysol® Wipes, Clorox® Wipes or OptiCide 3® Wipes. Avoid povidone-iodine cleaners)
  • Premium Non-Slip Rubber Exterior
  • Easy to Install & Remove

What is in the box?

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  • Case Front x 1
  • Case Back x 1
  • O-ring x 1
  • Wrist Lanyard x 1
  • Plug x1

Frequently Asked Questions

How easy is it to install a Catalyst Waterproof Case on my iPhone?

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Will the case fit my iPhone?

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Does it protect against water, drops, and impacts?

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Can I use my waterproof case with a screen protector on my iPhone?

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Does the case support the speakers & the microphone of my iPhone

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Does the built-in screen protector mess with touch sensitivity?

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Are the buttons easy to use with the case on?

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How do you take underwater pictures and videos with your case? Does the Camera Control feature work on the waterproof case for iPhone 16 Pro & 16 Pro Max?

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Can I use wireless charging with the case on?

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What can I use to clean and disinfect the waterproof case?

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What does IP68 mean?

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What does MIL-STD-810G mean?

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What are your waterproof cases made of?

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How Can I Prevent My iPhone from Sinking to the Bottom of the Ocean?

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