This is a Vertx Pouch known as the Mini Organizational Pouch, model F1 VTX5155 BK NA.
The Tactigami Mini Organizational Pouch securely stows inside any of the Vertx bags or can be used solo to store electronic cables and other small gadgets and gear.
Features:
Ideal for compact accessories such as charging cables
Constructed of Mesh and VELCRO
BAG SIZE: 6.5 H x 7 W x 2.5 D