The zip wallet is made from a double layer of nylon ripstop fabric, reinforced with military-grade polyester webbing. With a YKK zipper opening, and 2 card pockets inside.
 
Detailed with 2 woven labels and a webbing loop so you can wear it how you prefer; use a carabiner and attach it to any bag that you have, to your keychain or your outfit, or use on it's own.