1、Sealed Packaging:This is stored in a sealed bottle with a built in cutter. This innovative design eliminates ink spillage and makes the string more user friendly. 2、6 Colors: It is available in 6 different colors, making it convenient for eyebrow artists and beauticians to differentiate and mark specific areas. 3、Skin Friendly: This is safe allowing for direct application on the skin. It creates thin and clear markings on the skin, facilitating eyebrow artists in creating the desired brow shape. 4、Easy to Use: You can extract and use the desired length of string. Each extracted length already contains the necessary ink, making it extremely convenient to work with during eyebrow shaping and mapping. 5、Easy to Clean: If it need to be corrected or removed, simply use makeup remover and a cotton pad to wipe it away. The string leaves no trace behind, ensuring a clean and professional finish. 6、Using Scenes: It comes in a convenient 66ft length, ensuring that it lasts for multiple uses. This makes it an ideal choice for beauty salons and eyebrow artists who require a long lasting and reliable tool.