You will receive:(1) #1 Shaped Large 28" long Mylar Balloon (both sides are pictured)(2) 18" Baby Girl 1st Birthday Square Shaped Mylar Round Balloons(5) 11" Clear with Light Pink Printing Latex Balloons These are printed with "1st Birthday". They are not filled, you can fill at your local store, or rent a helium tank. You can also air fill it and tape to the wall. They are self-sealing just fill, no need to tie or seal, great for refilling later. Once filled the mylar should last 1-2 weeks. The latex balloons will need to be tied, and once filled will float about 8-24 hours so inflate those just before the party.