This pouch was designed for law enforcement officers. The Rigid webbing sides allow it to expand while still providing a sturdy and stable shape to securely hold most stun gun models. Adjustable and removable retention strap secures with interior hook and loop fastener. Also fits rifle magazines, some radios and small first aid kits/medical supplies. MOLLE version includes HSGI Clips for attachment to MOLLE or PALS. ABM version can mount to belts up to 2.25″