What are W lash extensions? The base of the 5 eyelash extensions is bonded together. It is very simple to create fans when grabbing with tweezers. You can quickly get fans without any skills. Save time&Cost-effective: These W shape lashes are easy to remove from the strip and adhere to lash. The W lashes can be used directly, even as a beginning lash artist. Help lash artists save time, and compared with premade fans, a tray of W lashes can be used for more customers, W lashes is more cost-effective. Unique Look: Special W shaped makes extension look more graceful and fluffy.The W 6D lash fans are made of the high quality black PBT silk material, cruelty-free,very soft and light. Better retention: Compared to individual lashes, these W shape premade fans have a long stem which can increase the contact area with natural lashes. Therefore they provide a stronger bond and retention to lashes. If you have any questions, please let us know, we will provide you with solution.