These 18-inch blush pastel latex balloons are perfect for your party. You can fill them with helium to make them float or use air for a longer-lasting display. If you choose helium, inflate them close to your event time for a float time of about 10 - 12 hours. For air, they'll stay inflated for 5 - 7 days. Remember, these balloons are a choking hazard for kids under 8, so keep uninflated or broken balloons away from them. Always have an adult around when using the balloons. And don't forget to throw away any broken balloons right away. These non-toxic and eco-friendly balloons can be used for various events like weddings, birthday parties, and more. Just enjoy decorating with them!