Foil balloons will self seal once inflated with air and all come with a straw to inflate, hanging tabs are also attached for ease of hanging and are also re-fillable, packaged with a euro hook hole. Foil balloons will self seal once inflated with air and all come with a straw to inflate, hanging tabs are also attached for ease of hanging and are also re-fillable, packaged with a euro hook hole. Read More >> << Read Less