This universal door bag platform kit fits many after market doors and is recommended for our R*S*K RZR Doors. They measure 12x16 inches. Must be able to access between the door skin and the door frame to attach this MOLLE platform. This Loaded Kit comes with the 2L hydration bladder, one small utility flag pouch (your choice of flag) and one tear-away first aid kit per bag. The first aid kit does not come with first aid supplies.