Capacity: 5ml/pcs. Each set of 4 pieces, with a transparent bottle inside, allows you to easily check the amount of perfume remaining. Simple and practical: This perfume atomizer bottle is a practical travel format. Easy to use and easy to fill/refill, no leaking, just press the bottom of your favorite scent gauge and keep tapping until full. High Quality - The case of the atomizer is made of high quality aluminum, and the interior is made of durable glass, so you don't have to worry about it breaking when falling on the ground, and it is durable. No leak! ! Capacity-5ml/pcs. 4 pieces per set, 4 different colors. Travel size - The size is only 8x1.7cm, the volume is 5ml, and there are more than 70 sprays. Lightweight and durable aluminum material makes it ideal to put in your purse or pocket. Special Note: Please do not refill this bottle as there is an air hole in the sprayer. If overfilled, it will leak out of the vent hole. Step 1: Remove the small cap from the fragrance nozzle. Step 2: Point the bottom of the sub-bottle towards the spout of the perfume. Step 3: Press down on the bottle. Note: 1. This product is an empty perfume bottle without perfume in the bottle. 2. Please press several times to squeeze out the air before putting on the perfume. 3. Check if the bottom hole is normal and put the perfume into the bottle. Product size: 8cmx1.7cm. Shipping Quantity: 4 pieces.