Perfect for any girly 21st birthday party, these stunning balloons are sure to add that extra special touch to your party display. Each balloon is made from bright pink or powder pink latex and features a pretty white hearts design printed onto the latex featuring a giant heart in the centre. Pack of 6 assorted pink 21st birthday all over printed design 11 balloons. Great for a girl's 21st party. Suitable for inflation with air or helium. To inflate with helium, you will need to purchase a helium cylinder for 30 balloons or helium cylinder for 50 balloons. Many florists also offer an inflation service for a small fee.