Side seal machines are the next step up from automatic L-Bar sealers. Rather than having a predetermined seal area, Side Sealers are fitted with a continuous machine direction sealing line which allows for much longer length products to be bagged or shrink-wrapped. The electronic eye sensor means that even if a short length is placed into the machine after a longer one the length is automatically set by the machine with no need of setting changes by the operator. These units are the next generation shrink wrap systems and are faster, more efficient and use a narrower film than a compatible automatic L Bar sealer. The two standard models available are 400mm and 600mm Transverse Direction ( TD ) sealing arms. Depending on pack size speeds of up to 60 pcs per minute are obtainable.