Time Saving - Super easy to use tool. Save your makeup time in your morning routine. It's available for all makeup levels!. Super Pigmented Felt Pen - This pigmented felt tip is really dark that creates smooth and precise lines easily. You can do your liner in one stroke. It's very smooth and super easy to work with. Smudge-Proof in Rainy Days and Workouts - Our formular is water-proof and smudge-proof. This long-lasting eyeliner will stay through rainy days and sweaty workouts. If you have oily skin, using a primer to make it long-lasting. Even Perfect Wings Every Time! - Each stamp liner set contains 2 eyeliner stamps, one for the left eye, and one for the right. Get yourself symmetrical wings by simply stamp it!. Just Stamp! One-Second Winged Liner! - Shaky hands? No problem! Don't know how to make perfect wings? No problem! Just stamp your wings at the end of liners, and it's done! You can master this professional makeup skills within secs!.