This is the empty LDPE Unicorn plastic dropper E Liquid bottle with childproof cap, there are 4 capacity versions to choose,10ml, 15ml, 30ml, 50ml. This vape juice bottle is made of Medical-Grade plastic to make sure it is safe and innocuous. It is very easy to carry with the pen style design. Very easy to pour the E-juice with wide bore bottleneck design. This bottle is also very easy to fill the e juice with its long pointed drip tip. This is a very useful tool for your vaping.