Features: Pre-inked brow mapping string for microblading and permanent makeup applications. Stretchable rope design allows for reuse without interruption until the inked inside the bottle is depleted. You can get the most exact and lines with this thin and highly string. This string will give you the exact and precise lines you will need to create symmetrical brows and lips. Simple, easy cleanup, and easy to use are of the reasons brow artists are using our string. Specifications: Component: Plastic Size: about 3.2x9.7cm/1.26x3.82'' Color: 2 Kinds Optional Package Includes: 1 Pc Mapping String note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Pre-inked brow mapping string for microblading and permanent makeup applications. Stretchable rope design allows for reuse without interruption until the inked inside the bottle is depleted. You can get the most exact and lines with this thin and highly string. This string will give you the exact and precise lines you will need to create symmetrical brows and lips. Simple, easy cleanup, and easy to use are of the reasons brow artists are using our string.