? Material: we use premium black NAGARAKU PBT material, it is very soft, lightweight, natural and comfortable to use. It is the best option for eyelash extensions. ? Quality: The quality of our eyelashes was certified by SGS, MSDS. The eyelashes sterilized by high temperature, become aseptic. ? Curvature: the unique processing of the curvature will maintain the style of the curl for more than 1 year. We have J B C D N LC L curl, different curl make many styles. Make your eyes looks so charming. ? Transfer strips: we use a foil material which can be easily peeled off from base. The transfer strip is also removable and waterproof. ? PROMISE OF QUALITY: We check each eyelash carefully before sending, to make sure you can have a perfect experience. If you do not like our product, please do not hesitate to contact us to request a refund or a replacement service. Thank you !