Simpson parachute flags are designed to mount onto your parachute after it's been packed. Features a bright red color and the phrase " Remove Before Flight" , the same phrase used on Air Force jets around the world on one side, and catcHybrid Simpson phrase on the other side. This warning flag has a small pin included, so you can easily slide them through where your parachute release cable attaches. These safety flags alert driver and crew that the parachute is packed and ready for another trip down the track.