Description:Flash colorful lights, beautiful appearance design, there are replaceable battery components, flash back and forth into a colorful lights, is one of the most popular gift toys.Features:These bright and vivid balloons are all you need to give a unique glow to your party. Fill with helium , paper, color film or small balloon filling stuff. Perfect for party, wedding, Xmas, bar decoration, promotion and etc. Easy to use: With a pump blowing helium, can be used repeatedly. The balloons can leave a lasting impression on guests, hence making your celebration a successful one. Specifications:Condition: 100% Brand NewMaterial: PlasticLight Color: BlueSwitch: YesDimension: 18cm diameter ballon;it could be 38-40cm dia with airBattery type: 2 x AA battery ( Not included)LED string length: 3 Meter The amount of light beads: 30 (appr.) Package Include:1 x Balloon1 x LED String(Battery is not included) Notice:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.