D Curl is dramatically curved and the curliest of all the lash extensions. This is perfect for creating a dramatic and glamorous look for clients. Single Size D Curl 0.10 eyelash extensions are perfect for 2D eyelash application or Hybrid eyelash application. These lashes are light weight and very close to the natural thickness of the natural lashes. Lash Professional Eyelash Extensions are made from premium quality 100% PBT Matte Black.