NoticeWhen the children are using balloons, ask Mom and dad to supervise them to ensure safety.Do not inflate the balloon too much,Best 90%.Self sealing design : Just pinch the opening after inflating, and then the gradient color digital balloon and the crown balloon can seal automatically without tying with strings, convenient to use can be applied for many times.Inflation Tips : Inflate with helium or air.To provent the balloon from bursting, please don't fill too much air into the balloon. Don't squeeze it hard. When you need to empty the balloon, you can use a straw to insert the filling hole and slowly release.Commemorate the good times : It is suitable for children's and adults' birthday party decoration, baby shower, grandparents' birthday, mom and dad's wedding anniversary, and graduation party arrangement.we want to impress you a fantastic birthday party. You can decorate your party easil.Brighten up the party : The crown number balloon comes in rainbow color with metallic shine, charming enough to invite guests' attention a nice prop to form a backdrop and take photos.Suitable for children's and adults' birthday decorations, or birthday and Valentine's Day party decorations.