Slim plastic tube collection. If you are looking for a skinny brush eyelash bottle, I think this collection will perfectly satisfy all your needs. We offer cylinder shape bottle and pilled shape bottle as well as cylinder shape wand cap and bullet shape wand cap in varying color. These slim plastic tube can be used to store mascara, lash growth filler, eyeliner, lash serum, brow serum, castor oil, false lash glue, lipgloss and so on