These bundlers are available in 2 models, for collating & overwrapping cartons and cuboids (like biscuit packets, soaps, DVDs etc.) in any given matrix.
Anatomy of the creature
Use of low-cost BOPP film or in some cases the cheaper HMHDPE
50% less power consumption than shrink-wrappers
All around protection from dirt and humidity
Product visibility lessens possibility of handling damage and petty pilfering.