Capacity: 5 ml/piece. Each set contains 4 pieces, and the remaining amount of perfume can be easily seen in the transparent vial inside. Simple and convenient: This perfume spray bottle is a convenient travel size. Easy to use, easy to fill/refill, no leakage, just press the bottom on your favorite perfume meter, and then keep clicking until refilling. High quality-the atomizer shell is made of high-quality aluminum and durable glass inside, so you don't have to worry about it being damaged when it falls on the floor, it is durable. Will not leak!! Capacity-5 ml/piece. 4 pieces per set, 4 different colors. The inner transparent small bottle can easily see the remaining perfume volume. Travel size-size is only 3.13 x 0.63 x 0.64 inches (approximately 8 x 1.6 x 1.6 cm), the capacity is 5 ml.The lightweight and durable aluminum material makes it ideal for putting it in a handbag or pocket.