Big brush and Small brush: Big brush can create large curled eyelashes for base color. Small brush makes lashes volumize and lengthen without clumping How To UseUse big brush the mascara primer through your upper lashes evenly from root to tip. Wait 30 seconds, and then apply a coat of mascara to your upper and lower lashes, using the molded bristles to define and separate as you go and experience your very own lash growth. use small brush another coat for thicker, fuller lashes. WATERPROOF & LASTS ALL DAY: This long lasting mascara promises to make your eyelashes long, thick, and voluminous all day under any condition. It is waterproof and sweat-proof that allows all day long through rain, tears and sweat without smudging or flaking. EASY TO APPLY & REMOVEGet beautiful sexy lengthening eyelashes just with applying this washable silk fiber lash mascara. Then removed it off at the end of your day with warm water or your favorite makeup remover or cleanser. 2 IN 1 MASCARA: The combination of large and small brush heads makes the eyelashes more plump and full