1. Before refilling perfume, remove the atomizers lids, spray a few times to discharge the gas in the perfume atomizer, 2. Take off the lid of the big perfume bottle, and check the tube size of big perfume bottle. Tube diameter ≤3.2mm, tube length ≤7mm 3. Insert the atomizer vertically on the perfume bottle tube, press up and down repeatedly until it refills 4. Monitor the clear visual window to ensure the highest water line not exceeding the highest point of the window 5. Finish filling, try to spray 1-2 times to speed up filling port closure. 6. After use, close the cap and take it with you, could be put in your pocket or handbag, suitable for travel.