• (Ultra-fine 0.004 inch (0.1 mm) core) Uses a special wide flat (flat) shaped core. Depending on the angle, you can draw an ultra-fine 0.004 inch (0.1 mm) line to a natural surface. Not only do you carefully draw each eyebrows one by one, but you can achieve a three-dimensional draw of dots, lines, and faces in a three-dimensional manner • 【24 HOURS FULLY WATERPROOF, SWEAT AND WATER】 Advanced waterproof formula. It will not fall off when exposed to sweat and oil in hot summer during intense exercise. It keeps makeup in the morning all day long, so you don't have to worry about having to reapply it • 【Double Ended Design & Easy Professional Finish】A flat lead eyebrow pencil and eyebrow styling brush in one. Create the ideal shape with a pen, then gently brush the opposite side to create a plump, natural gradation and curved, beautiful eyebrows • (Smooth drawing experience that is easy to draw for both men and women) Not too hard or too soft, the core has a smooth color and moderate hardness. It is less likely to get caught on the skin, so whether you're a man or a beginner, you can easily draw your ideal eyebrow shape without worrying about the amount of pressure • Long Lasting & High Cost Performance, Non Falling, Economical: Excellent abrasion resistance and very little color fading. Long lasting one piece, no need to replace frequently. Save your beauty costs with these popular eyebrow pencils