POPU Ring Cups are all made of firm and durable plastic, no peculiar smell.and if you very sensitive about it, please use some alcohol to wipe it (not included) before use

Adjustable size: the glue holder ring diameter is adjustable, perfect fit for your fingers, which makes it very convenient to use and you will never have to worry about that the ink or glue will spill out.

Wide use: enable to use of pigment, ink, holding glue, remover and lash primer during the application of eyelash extensions and tattoo applications.

Easy to deal with after use: disposable for quick use, no mess to clean up, makes the eyelash application much easier; Great product for makeup, nail art, tattoo, etc.