This holster is ergonomic with a quick-release/quick-locking button that allows for a quick draw and automatic locking when your gun is reholstered. High Safety It will automatically lock on the trigger when you put the weapon in and makes a "click" sound to let you know that it is securely locked. Pull the weapon out quickly by pressing the button with your index finger. Made of military polymer material, easy to clean and maintain, so light to carry. Simple structure in the internal design. The protruding button makes it easier to touch.