You will receive...(1) 28"/71cm wide x 18"/46cm high Construction Truck Mylar Balloon.(2) 18" double sided (1 Side Truck and 1 Side Bull Dozer) Happy Birthday Printed Mylar Balloons.(6) 11" Latex Balloons (2 of each Black, Red, Yellow, Green, Orange and Blue).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.