Build lashes with 4mm of measurable extensions! Maybelline New York Illegal Length Fiber Extensions Waterproof Mascara has fiber extensions that break every law of lengthening. Created with the longest fibers ever in a mascara, Illegal Length's patented sealing formula and Fiber-Fix Brush give your lashes a dramatically longer look. Waterproof; also available in washable formula. 4mm of Measurable Extensions Fiber-Fix Brush Reaches Each Lash from Different Angles No Flakes