Balloon in the shape of the number "9" Made with a particular metallic gold effect that makes it elegant and ideal for any party. Size: 120cm unique design. Blister pack. Instructions For swells gg I air gently insert into the slot located at the lower end of the balloon and blow the straw supplied until completely swollen gg me the number. The air outlet is automatically blocked once the straw is removed. For swells gg I Helium: Refer to the cylinders used in this document, proceeding calmly and carefully. Inflate the product slowly by putting a little helium at a time and moving the valve until it closes. By doing this the balloon will remain inflated for approximately 72 hours.