This TMC Banger Assault Back Panel for MP20 is made of high quality Cordura fabric. It is the most modular back panel for MP20. It has a hidden hydration pocket and a middle size zippered storage area with loop area for identification patches. It also can hold up to four smoke or flash bang grenade, which flap with retention catch for quick access and added round security. This panel only fit TMC MP20 Plate Carrier.