Well, It is therefore by 5 piece needle bottles. The body is made of transparent, soft plastic with 10ml filling volume. On the neck, there is a screw thread. On this a cap was screwed, in which a needle-like metal tube is, which can be closed with an additional plastic cap. Qualitatively, I would call this 5 piece needle bottles as quality. For the actual, the intended purpose, namely for filling and mixing E-Liquid for electronic cigarettes This product is absolutely ideal.