You will receive...(1) 28"/71cm wide x 32"/81cm high Construction Bull Dozer Loader Truck Mylar Balloon. (2) 18" Happy Birthday Bull Dozer Mylar Balloons.(2) 18" #3 3rd Birthday Construction Truck Mylar Balloons(5) 11" #3 3rd Happy Birthday Printed Printed Latex BalloonsThey 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, latex about 8-24 hours (best to inflate thesejust prior to your party), although actual float time varies.