Here is a breakdown of what this feature actually is and why it is labeled this way:
Many sellers now falsely advertise "Annapink V05" on DHgate and AliExpress. Authentic Annapink products have a discreet, silver metallic thread woven into the bottom hem of the tee (visible only under light). This is their anti-copying measure. the obey latest v05 by annapink extra quality
Extra Quality / Premium Enhancements