Double-sided pens: In addition to the eyeliner stamp, each pen has an eyeliner pencil on the other end. You'll always have an eyeliner pencil handy, and it's one less thing for that crowded makeup bag!. Eye-specific stamps: Each box comes with 2 pens, 1 for each eye. Each stamp was specifically designed to best suit each individual eye, giving your wings a perfect, consistent shape with each application. Smudge-proof & water-resistant: Nothing ruins a good makeup job like a smudge, but finally, you no longer have to worry about your wings getting smudged. Our stamp delivers smudge-proof, long-lasting wings, guaranteed. Plus, there's no need to worry about getting caught in the rain or pushed into a pool-your wings are 100% waterproof. Go ahead, be spontaneous!. No more winging it: Now Available in 8mm! Get a perfect, consistent finish every time with our winged eyeliner stamp. Don't waste time freeform drawing wings that might look different from eye to eye and need to be redone. Simply stamp on your wings, and you're done! Make wings the quickest and best part of your makeup routine!.