Multiangle & Volume, Lightweight, Longer and Fuller, KPEI31~34,, KPEI35N,36N – 25mm, KPEI4~45 – 2mm | For best results, use with iENVY Lash Adhesive. | Always remember to check fit. Lay eyelash on top of your natural lashes and trim if needed. | Give your glue enough time to become tacky before applying lashes. Wait 3-6 seconds for optimal results and hold lashes in place when applying, allowing the adhesive to dry completely.