NWPP stands for Non-woven Polypropylene.
NWPP is quite strong, lightweight, low cost and colourful.
It is made from Polypropylene beads which are melted and dye is added, then it is spun into something which looks a bit like fairy floss, which is then pressed into rolls. The final rollers have a pattern to create the characteristic texture.
NWPP bags from Planet Eco Bags can be made in 80gsm, 90gsm, 100gsm or 120gsm fabric weight.
Heavier fabric does cost a little extra but this can be money very well spent, depending on the intended style, size and purpose of the bag.
Conversely, some styles are perfectly workable in a lighter weight fabric. The key to success lies in understanding how the fabric and the seam construction can be used effectively to build in maximum strength at minimal cost.
NWPP bags are most commonly decorated using spot screen print, digital print & heat transfer.