The square eyeliner bottle matches the cylinder cap with a sponge brush for makeup packaging. This eyeliner tube design with a screw lid and inner plug provides a very good seal and avoids leaking. It can be used to store eyelash growth liquid filling, liquid eyeliner, eyelash serum, eyebrow serum, castor oil, and false eyelash glue. Lightweight and in small size, convenient for use and carry.