1st Birthday Decoration Items For Baby Girls / Printed Star and Round / Pink Theme Birthday Party Kit (Pack of 5 Pcs) Celebrate your baby girl's 1st birthday with our adorable decoration kit! It features printed stars and rounds in a charming pink theme. Make her special day even more memorable with this pack of 5 versatile and fun party items. Floating Time (Helium)The foil balloons, filled with helium, will stay full for 2-5 days. They may float for longer but will start to appear more deflated as they lose helium.