There's a new lash routine on the scene. Seamless Underlash Extensions are applied Under your natural lashes to hide the band for a no-show, seamlessly undetectable finish. Only the lashes show so Only you know. Even a pro can't tell them apart from real lashes. So soft and lightweight, they're comfortable enough to sleep in. And you can wake up lashed for up to 10 days when you use the long-wear Seamless Bond & Seal by Duo (sold separately). Why spend hours at the salon when it's so easy to become your own lash expert and achieve flawless application at home? Bring glamour to your gaze with 3D Faux Mink Underlash Extensions for a voluminous, multi-dimensional finish. Intense black strands add dramatic definition to the sumptuous style. The refill pack contains 32 patented Undies for seamless blending. Build volume and length for a customized look. Four lengths (10 mm, 12 mm, 14 mm, 16 mm) let you customize to your eye shape from inner to outer corner. Look sumptuous in these full-volume, intense black lashes with tapered tips!