12 Vibrant Colors: 12 different colors for your choice to create more styles to meet your daily use and various needs. Instructions: Shake up and down to make the ink evenly mixed before use, and then press the pen tip repeatedly until the ink flows out. DIY Beautiful Patterns on Nails: Our nail art pens set are suitable for drawing different patterns on the tips of nails and making various decorations, ideal for making dots, abstract lines, stripes, fine drawing, painting flowers and various pattern design on fingernails. NOTE: The nail art pens to be used with nail polish top coat, even if the drawing is wrong, just wipe it with alcohol. Until the drawing is completed, the nail polish top coat can be applied to the picture after air-drying. Need to cover the cap after use to prevent the pen from drying out. Applicable Occasions: Suitable for home use and professional nail salons, can be applied on gel nail polish, natural nails, acrylic nails and false nails.