Convenient to carry: The size is only 3.58 x 0.9 x 0.9 inches and the capacity is 5ml/0.2oz/pcs. The inside of the clear vial makes it easy to see how much fragrance is left. MULTIPLE USES: Perfect for storing perfume, cologne, moisturizer, makeup remover and more. Filling Notes: The inner bottle has the transparency of glass, but it is made of plastic and is difficult to break. Step 1: Take out the inner bottle Step 2: Take off the nozzle of the perfume bottle Step 3: Align the injection port at the bottom of the container with the perfume nozzle, press up and down. High Airtightness: Completely sealed structure. Perfume doesn’t need to come into contact with air and this design can reduce the volatilization of perfume by 40%, which perfectly saves your expensive perfume. Easy to Charge: Refillable perfume spray with easy-to-pump filling technology. You can fill directly through the mini spout at the bottom of the inner bottle without spills or any wasting. Multiple Usability: It's only the size of a lipstick, so you can put it in your pocket or commuting bag and take it out when you feel like it. Combining a luxurious appearance with a simple design, it can be used by both men and women. You can easily push it anytime for going out, meetings, dates, sports, travel, parties, etc. sray bottles