Eyelash curling degree rulers-- made of premium paper material, the eyelash ruler is not easy to tear and reusable | Lash tape-- the lash ruler has smooth edges with no burr, which will not hurt your eyes or skin while measuring | Lash measuring tools-- made of paper, the eyelash rulers are not easy to tear, which is reusable | Measuring tools-- with accurate scales, the eyelash ruler is precise and professional, very practical and professional | Lash tech supplies must haves-- the lash rulers help the salon to measure the clients' lashes, for eyelash crafting use