Blue glass euro dropper bottles pair nicely with black tamper evident caps, offering a visually appealing display when packaging essential oils. These blue glass bottles also protect products from UV rays and oxidation. The black tamper evident caps include dropper inserts with a 1 mm orifice for a controlled pour and tamper evident rings that detach after first opening the essential oil bottles. These essential oil bottles could be a stylish and durable packaging choice for an array of products.