The Fuji Formost FW-3431/FS/B Servo wrapper creates a four side seal package formed from either a single web of film or two separate webs from top and bottom unwinds.
The Fuji Formost FW-3430B Servo wrapper creates a three side seal package formed from a single web of film.
Both Three Side Seal and Four Side Seal offer Easy Open features including Chevron, Peel Corner, Unsealed Header, Tear Notch or Serrated Edge.