Safe Mat Durable Material Its brush is made of good grade fibre hair and comes with sturdy plastic handle that make it durable & the solid connection between the handle & brush adds to the durability. Slightly Bendable The brush head of these eyelash spoolies come with a slightly bendable design which lets you bend it according to your various eyelash grooming & styling needs. Safe Material These compact eyelash brushes are made with good grade fibre hair material that has non-linting feature and safe to use on the eyelashes - it is comfortable to use as well.