2D U Lashes—also known as U Shape YY Lashes or UU Lashes—are crafted from four ultra-soft PBT fibers that form a parallel U-shaped double tips structure. Compared with traditional YY lashes, the U-shaped design creates a cleaner and more controlled lash pattern, delivering a naturally fuller appearance with a refined and elegant finish.
Combining the density of volume styling with the simplicity of classic lash application, 2D U Lashes have become an increasingly popular choice among lash brands and professional salons. As demand continues to grow for natural-looking volume effects and efficient application techniques, U-shaped lash extensions are emerging as a fast-growing product category in the global lash market.
| Lash material | PBT fibers |
| Color | Black |
| Length | 8-15mm |
| Thickness | 0.07mm |
| Curl | All curls available |
| Rows | Customizable / 12/14/16rows |
| MOQ | 20 each sizes |