Permanent Makeup Needle Tip Tattoo Nozzle Needle Caps, Environmental material is safe, non-toxic, and harmless to your skin. Can control the airflow for an even amount of pigment and better result. Making tattoo needles more durable and clean. Disposable design is for single use only. Transparent color is convenient for you to add pigment in time, which is safe to use. https://www.gabrow.com/wp-content/uploads/2019/10/Permanent-Makeup-Needle-Tip-Tattoo-Nozzle-Needle-Caps.mp4