HANDAIYAN 2 IN 1 DOUBLE-ENDED EYELINER STAMP - Double-head double effect, easy to draw a meticulous eyeliner. 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. colorful and free to play, create fun eye makeup play with the color Eyeliner application steps simple: Step1 : use the felt tip pen to join the wing Step2 : use the wing-shaped stamp at the outer corner of each eye