O.TWO.O 2 IN 1 DOUBLE-ENDED EYELINER STAMP - Double-head double effect, easy to draw a meticulous eyeliner. 【DOUBLE-SIDED EYELINER PENS】 – Each pen of the wing eyeliner stamp tool has 2 ends. One end for stamping and the other has a very fine tip for defining the rest of the eye with precision. You can even use the size of the liner as a stencil for a more dramatic makeup. 【LONG-LASTING & WATERPROOF】- This Long Lasting eyeliner is made with a quick-drying formula, is waterproof, sweatproof and oil resistant, and lasts for a long time without smudging. With this waterproof eyeliner pencil you can party all night, even swimming or sweating. 【THE PERFECT WINGS EVERY TIME】 – Eye liner wings have never been easier. Line up the stamp from the corner of your eye to the end of your eyebrow to create the same wing on each side. The curve in each stamp eyeliner provides a quick natural cat eyes look. 【EASY TO USE】 - Whether it's for beginners or people who use eyeliners regularly, this stamp makes you easy to have beautiful eyeliners. Eyeliner thickness can be controlled according to the strength and angle, easy to draw a meticulous eyeliner.