"These beautiful eucalyptus balloons are truly one of a kind! Pairs beautifully with many different colors or are simply stunning by themselves! They are the perfect way to make a pop at your next event! This listing is for: A Set of 10 Eucalyptus 11” latex balloons only. *inflate day of event for best results (will not last overnight). String not included. Balloons will ship flat and can be inflated with air or helium (can take to local party store or supermarket for a fee). Professional grade helium works best. Please keep in mind that all balloons can easily be affected by weather conditions and can not be guaranteed to float. Thanks so much for looking! Please remember adult supervision required. Deflated balloons can be a choking hazard. Keep away from children and pets. Discard broken balloons immediately."