Threads LS-21-03(21G-60mm-115mm)L type *PDO Threads are made after ordering, the delivery may be delayed by 2~3 business days" It minimizes bleeding, pain, and swollenness and is mostly used for facial and forehead lifting purposes. Model Number Needle Gauge Needle Length Thread Length USP Size One Package LS 21 03 21G 60mm 115mm 2 0 20pcs PDO Thread PDO is commonly known as a product that produces collagen by stimulating skin tissue. Our PDO not only produces collagen but Super