What You'll Get One Lash Tray, 320 Double Layer Pre-Made Fans All The Details Double up on dimension. Our Double Layer Pre-Made Fans feature a unique double-layer, double-curl design that creates the illusion of different lengths, adding dreamy texture and volume with little to no effort. They’re made from soft, lightweight PBT fibers with a luxe semi-matte finish that gives you fullness without added weight. Each fan has a hybrid base for seamless placement and delivers a true 12D effect from two stacked 6D fans. The result? Borby Blended fans that elevate your Pro Artistry, every time.