Holds one magazine and any other item of similar size. It comes in 2-3-4 joined together pouches. 1-2-3 are horizontal while 4 is vertical as it to long to around the body. The flap is adjustable to give a good fit depending on the the length of the item. There is elastic strip on the sides to hold it in tightly. An eyelet in the base to work as drain hole. Made of Cordura, polyester webbing, press dome, elastic, an eyelet. Dimensions; Single length 110mm x width 50mm x depth 25mm. Double length 110mm, width 100mm, depth 25mm. triple length 110mm, wirth 150mm, depth 25mm. Four length 110mm, width 200mm, depth 25mm.