Description Decorate your birthday celebration with a beautiful “Happy Birthday” text, made out of foil balloons in magenta. Re-usable. Air-filled only, can’t float with helium Delivered inflated, ready-made for you Prepared on strings, you only need to tape / hang it Longevity Air-filled 16″ foil balloons can last for weeks and can easily be re-used in case they deflate. Just insert a straw and blow them up within seconds.