welding ear-loop elastic at the both inner sides of the mask blank body and serging automatically for compeleting a mask. Power Source:AC220V 50/60HZ,1Phase Capacity:>45pcs/min Power Comsuption:3.5kw outline dimension:3000×940×1900(L×W×H) feeding rack dimension:1200×370×740(L×W×H) material:175mm×95mm or other size PP blank mask body