This is a NCSTAR Pouch known as the Dump Pouch, model CVFDP2935G.
The New VISM Folding Dump Pouch allows you to quickly store your Shooting Gear into a convenient pouch when you need it. The Dump Pouch folds flat into a compact size when not in use. Size Folded: 5"L X 5"H X 11/4"W. The Dump Pouch unfolds into a large pouch" able to hold 7 AR or AK 30 round magazines. Size Opened: 71/2"L X 81/2"H X 31/2"W
Features:
A Large Adjustable Elastic Draw Cord Opening allows easy access into the pouch
Elastic draw cord to secure contents in pouch
Hook and loop fastener Flap to secure contents inside the pouch