Latex balloons stay fully inflated for up to 24 hours post-inflation. If you are looking for a longer inflation period, Mylar®/foil balloons typically stay inflated for up to five days.This item is assorted. Style/color will vary and is selected at random.Decorate for a birthday party or special occasion with this magical rainbow balloon. Pair this balloon with another style of balloon or different design to create a balloon bouquet.Details:Available in assorted colors11" (27.9 cm)1 balloon (color will vary)LatexRequires helium or air inflation