Genuine US Military Issue, magazine pouch. Constructed of USA manufactured Cordova Nylon Duck, one of the best materials out there for these pouches, tough, long lasting. Double and triple sewn seams. Holds 1 single stack 5.56 mag nicely, 2 aluminum mags can be held (not the thick plastic ones, although a very tight fit until elastic relaxes. Hook and Pile flap fastener, works for 20 and 30 round mags.