Double-ended Design- One end is designed to rotate automatically for a smooth, clump-free application without sharpening. The other end is a rotating brush that combs through your brows to create a natural wild brow. Definer Pencil- Triangular-shaped pencil tip design precisely outlines eyebrows and enhances the contours of your features. No-sharpening tip design, twist out instantly to avoid breakage. Long Lasting- Waterproof sweat-proof, and smudge-proof. Stays on all day in the place and lasts up to 24 hours if not rubbing the brows too hard. Natural-looking- 4 classic color shades that apply evenly and naturally to meet your needs for multiple occasions. You can choose according to your preferences. All-Day Waterproof, Long-LastingOur long-lasting formula ensures your makeup stays put all day, even through sweat, rain, and water sports. Say goodbye to smudging and fading, and enjoy worry-free beauty that lasts.