You will receive 12 balloons:(1) 46" Black Pirate Ship "Happy Birthday" Mylar Balloon(2) 18" Pirate Round "Birthday Mate" Mylar Balloon(2) 19" Black Star Shaped Mylar Balloons(2) 19" Gold Star Shaped Mylar Balloons(5) 11" Black Pirate Latex Balloons They are not filled, you can fill at your local store, or rent a helium tank from your local party store or welding company. You can also air fill it and tape to the wall or attach balloon sticks. Please note that mylar balloons last about 1-2 weeks when inflated, although actual float time varies.