Bring your Monster Machines party to life with these round 18" foil Mylar balloons!This balloon is perfect for using in a monster machine themed balloon bouquet or to bring your childs birthday party to the next level. The balloon can be inflated with helium to float or with a balloon air inflator or manual pump. The balloon includes a Self-Sealing valve, preventing the gas/ air from escaping after it's inflated. It is recommended to tie a knot or use a ribbon to tie around the valve to prevent the balloon from floating away.Balloon arrives uninflated and comes supplied in plain packaging to reduce shipping costs. HELIUM BALLOON CARE INSTRUCTIONSHelium is sensitive to temperature changes. Cold air causes the helium to shrink, which makes the balloon appear to deflate, although it still floats. Heat can cause the helium to expand and the balloon to burst. For helium balloons to last longer, put it in cooling places (20°C is recommended) and avoid hot places/surfaces (e.g. car boot, under the hot sun or metal surfaces). Balloons may pop/deflate when the air inside expands much more than it could hold, especially for foil balloons as the material is non-stretchable. Balloons may pop if exposed to rain or direct sunlight from outdoor or through windows.Uninflated or burst balloons can present a choking hazard and should never be left with children without supervision. Store balloons away from pets to ensure that they cannot get themselves tangled with balloon ribbons or accidentally ingest popped balloons or their decorative contents such as confetti, feathers, or other materials.Balloons life span can vary from 12 hours to several days. At the end of a balloon's life, cut the end of the balloon with scissors to remove any air or balloon gas, then dispose of it in the bin. NEVER release balloons into the environment.
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