YY eyelash is the most popular extension eyelash in the last few months. 100% Hand-knitted, natural and soft. YY-shaped eyelashes, intertwined with each other, the mesh is more dense and natural. The YY Lashes are glued together by the roots of the two single eyelashes to create an eyelash with a YY shape.YY Lashes could make the volume lashes and make overall fullness looking, giving it a perfect appearance. YY Lashes, one cluster at a time, looks like to use two single eyelashes. It is time-saving. And the eyelashes are lightweight, knot free, so comfortable.