The Catalyst Crux Gear Stick-On Wallet is a slim, secure accessory for Catalyst iPhone cases with Crux Attachment System. Made from durable, waterproof lycra, it adheres to the back of your case with 3M adhesive, comfortably holding 2-3 cards without adding bulk. Perfect for travel or daily use, it ensures essentials are always within reach. Compatible with Catalyst Influence and Total Protection cases for select iPhone models (check compatibility section).  The shoulder strap can be attached to the built-in corner attachment points of your Catalyst case so you can go hands-free.