Double-wall liquid eyeliner tubes wholesale. Its highly transparent outer looks like acrylic, with good texture and good price. Its internal black body can be customized in different colors, even print logos or text on it. The plastic eyeliner tube is designed with a screw lid and inner plug that provides a very good seal and avoids leaking. Can be used to store lash growth filler, eyeliner, lash serum, brow serum, castor oil, false lash glue, and so on.