The Diorshow Pump 'N' Volume Waterproof Mascara creates instant volume with the simple power of a squeeze. By pumping the soft tube. you generously coat the brush and soften the creamy. rich mascara formula inside for a perfect. fresh application. every time. The special bounce-effect brush features ultra-supple bristles that load lashes in a single sweep. creating daring. pumped-up volume without clumping. This is lash volume pushed to the extreme.