Package Includes: 1 Pcs of Multicolor 17 Inches Happy Birthday Round Foil BalloonCan Be Used as Birthday Decorations For Boys, Birthday Decoration For Girls and Also For Adults.Inflate Your Balloons Faster Than A Standard Balloon Pump.You Can Reuse, Do Not Use One Time To Throw Away. Uses MicroSeal Technology For Strong and Longer Lasting Seal With a Seamless Appearance.Includes self sealing valve - self-sealing valve prevents the gas from escaping after it's inflated.