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A close up of a woman taking a photo underwater in a black Catalyst waterproof case. The iPhone is secured to her wrist through a Floating Lanyard in orange.

Waterproof Cases
An iPhone with a clear Catalyst Drop Proof Case is shown mid-air falling on the tiles in the corner. The background is faded, and trees and greenery can be seen.

Drop Proof Cases
An open suitcase filled with clothes, a black notebook, Catalyst's AirPods Pro Total Protection Case and AirTag Total Protection Stick It Case, perfect for travelling for work or vacation.

Travel Essentials
This case by Catalyst significantly levels up the protection

Best Products

If you want something that delivers maximum protection, Total Protection case certainly measures up to its title.
You’d be hard-pressed to find a case affording more robust levels of protection
Two people snorkeling underwater, taking a selfie with their iPhone in a Catalyst Black Waterproof Case. Text overlay questions the case's total protection against a 14,000 ft drop and 48 hours underwater.
Infographic titled "Sold in Apple Stores" with Catalyst case stats: Woman-owned business, 70+ patents, 20,000 stores, 13 years, 30+ awards, 10,000,000+ accessories sold. Brands appear below.
Catalyst's CEO June Lai rock climbing

About Catalyst

Founded by a female adventure enthusiast who values precision and innovation, Catalyst is a premium brand specializing in meticulously designed cases to keep your Apple devices safe in any environemnt.

But we’re more than just a brand—we’re a community. Trusted by millions of customers in over 70 countries, Catalyst is backed by rave reviews from adventurers, parents, tech enthusiasts, journalists and everyday explorers alike. We believe in the power of great design to transform the way you experience the world, and we’re dedicated to delivering top-tier quality with every product.