1Universal: Designed based on the median ratio, the brow ruler will find the ideal brow proportion for you regardless of your face size, providing you with accurate brow shaping suggestions so that your brows blend in perfectly with your overall facial contours. 2Transparent: The ruler comes with a standard scale so you can easily know the length and width of your eyebrows. The transparent material allows you to see your skin clearly and can be measured horizontally to ensure accurate eyebrow position. 3Bendable: It can easily adapt to the curve of your face to ensure that the eyebrow shape conforms to standard proportions, making it easy to fit the face shape to set the point. The elasticized end of the thread makes it easy to outline. 4Reusable: The measuring function of the tool remains accurate under prolonged use. Easy to clean and maintain, convenient and safe, accompany you through every make up time to make your eyebrows perfectly. 5Usage: You can use it before and after designing your eyebrows, this eyebrow ruler can be your assistant to make your eyebrow shape more symmetrical and beautiful. 1 x Ruler 1 x Roll of Thread 10 x Sponge