Engineering360: "Innovator develops technology for turning banana leaves into single-use packaging"

Are they just strengthening the leaves so we can wrap things with them, or is there a solid material made that can be extruded or otherwise formed into shippable, sealable packages? Purified cellulose goes back to cellophane and rayon, had its day as a packaging film, sealable with PE coating, not used much now (cigar wrap).