The Fobus Evolution Double-Stack Double 9mm and .40 Magazine Pouch is designed to let you carry 2 magazines for quick reloads and also fits most 9mm and .40 magazines. The lightweight and compact design enables easy carrying, and the rubberized paddle backing provides stability and comfort. This pouch includes a steel reinforced rivet attachment and an adjustable tension screw, while the low-profile design affords concealment.