These empty dropper bottles are the perfect size to fit in your pocket. With a convenient dropper tip located under the child proof twist cap, these bottles offer simplicity and safety in one convenient package. Unlike other bottles on the market, these are crystal clear, allowing you to easily see what the contents are. These bottles are great for taking with you on the go, or for testing your own diy E-liquid mixtures. All orders come with a 5-pack with your choice of 7 ml or 10 ml bottles.