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Color:Balloons Inflatable 1. First find the balloon seal (consisting of two layers of plastic paper) and insert the nozzle between the two layers of paper; 2. Slowly insert the nozzle into the sealing position 2-3cm, pinch the plastic paper against the nozzle (to prevent air leakage) and slowly fill the air; 3. When the balloon is fully charged to 90%, reduce the amount of inflation and slow down the inflation rate; 4. The balloon should not be overfilled. After filling it, the finger can be pinched and sealed. Deflation 1. Please prepare a 20cm straw before deflation, the diameter can be slightly thicker; 2. Slowly insert the straw into the seal until you feel the balloon squirting and gently squeeze the balloon to vent the gas. ãSpecial Noteã: (1) Since the aluminum film balloon has no shrinkage, it must be slow when inflating the aluminum film balloon. It can be filled to 90% with the pump, and then blown with a straw to control the gas volume to avoid breaking. If you encounter a 2 layer aluminum film sticking, be sure to stop the inflating, gently pull the 2 layers of aluminum film and then inflate it, otherwise it will be easily damaged. (2) Sharp objects, unclean ground, direct sunlight and excessive extrusion can easily damage and burst the sphere. (3) Due to the thermal expansion and contraction of the gas, the aluminum film balloon should be properly inflated in winter or when the temperature is lowered; in the summer or when the temperature rises, the aluminum film balloon should be properly deflated to avoid breakage. (4) Generally, it can float for 6-14 hours after being filled with helium or hydrogen, so helium or hydrogen must be washed on the day of use (be sure to pay attention to safety when charging hydrogen!). ï¼Noteï¼There will be powder on the surface of the balloon, please don’t mind using it. The powder is talc to prevent the balloon from sticking.ï¼