Material: aluminum filmThe balloon can be used again and again, which is convenient for air and gasFor use at parties such as birthdays Note:1. due to the lack of shrinkage of the aluminum film balloon, it must be slow to inflate the aluminum film balloon, which can be charged to 90% of the air pump and then blow through the straw, so as to control the air volume so as not to burst. If you encounter two layers of aluminum adhesive, you must stop inflating and gently reinflate the 2-layer aluminum film with your hand, otherwise it will be easily damaged.2.sharp objects, unclean ground, direct sunlight and excessive extrusion can easily cause the ball to be damaged and burst3.due to the heat expansion and shrinkage of the gas, when winter or air temperature drops, it should be properly inflated with the aluminum film balloon; When summer or air temperature rise, need to give the air to the aluminum film balloon appropriately, lest burst. Normally filled with helium or hydrogen, it can float for six to 14 hours, so the helium or hydrogen must be charged for the daySize: 67 * 73 cm / 26.37 * 26.37 inch
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