knits vs. wovens woven fabrics majority cannot be washed durability testing not guaranteed cut to order with fabric waste externally sourced 3rd party suppliers; extra ordering steps + costs pillow insert sizes may be limited factory locations vary versus bläanks knits commercial machine washable durably passes wyzenbeek 50,000 double rubs testing knit to order + size with zero waste in-house yarns fully vertical; simple designing + ordering custom pillow insert sizes made in the usa develop contract knits