About this item Package Included-40 inch pastel pink 10 balloon number + 1 Straw. Premium High Quality Balloons-The 10 birthday balloons are made of quality aluminum mylar foil,thick and odorless.High quality imprint technology,edge neat,not easy to explode and leak.Pastel pink number 11 balloon will be the great decoration addition for birthday parties. Floating Mylar Balloon-If you want 40 inch 10 balloon number to float, you need to fill it with helium,please remove the pump or straw when 90% full filled,then party balloons will float prefectly. Sealed Automatically-The pastel pink 10 birthday balloons comes sealed automatically after inflating.Light pink number balloons have holes on the top to string together or to hang.Also you can tape them to the wall or make into a balloon garland arch, bring you a fancy party backdrop decorations,prefect for group photo with your family and friends.