These products are empty pens, which made from PP material for practical and use. The like a paint brush, and you can make the oil goes on evenly and fits underneath your nails or your lip. Portable brush pen applicator, easy to take it on the go, in your purse or bag. Features -Material: PP -Volume: 3ml -Made from , . Our product is easy for you to operate and use. -These pipettes pliable and easy to use, which could save time when filling with liquid -Function. Filling lip gloss, nail nutrition oil, essential oils, nail polish, eyelash growth, perfume, paint, etc. -Please fill with liquid and then installed the brush tip, through twisting the pen, you can make the liquid on evenly and paint where you need it. -Utility tool no waste, ; you can fill the liquid with a brush and paint where you need it, lightweight and won't leaking design is good for travel and business trip. Package list: 10 x empty pens