There is 2-3% difference according to manual measurement.【Long Lasting, Waterproof and Sweat-proof 】Water washing it not fade, waterproof, sweat-proof, -proof for a whole day, you don't worry about losing makeup.Method 2: Sparse Eyebrows Person: Firstly, sweep away to shape brows , then gently to define the brows form sparse area. Finally, use the pen fill in color by a 45 angle evenly to create the perfect 3D eyebrows.Natural looking; Easy to apply and remove1 X Eyebrow pen【Draw a Natural and Perfect Eyebrow】The tattoo eyebrow pencil tips is very thin, you can easy draw all kinds of perfect eyebrows with natural color and clear lines.Because it's the reason for the paste. Sometimes the pen is dry; there is no ink; it is a normal phenomenon.【Tattoo sense of super durable】The eyebrows are drawn as if they were growing .Long lasting and waterproof6 Colors: as the picture shows【Good new liquid eyebrow tattoo pen】This is new product for eyebrow colour. Unique 3-tooth nib design, like an eyebrow tattoo pencil to carve eyebrows.It is made for every woman and her dynamic Method 1: The normal eyebrows person: Gently apply the pen to draw the of eyebrows and continue to color inside evenly along brow-shape you draw last step for create the and nature eyebrows.Size: approx 13 cm long