Question: what is olefin made of?
Answer: Olefin fiber is a synthetic fiber made from a polyolefin, such as polypropylene or polyethylene. It is used in wallpaper, carpeting, ropes, and vehicle interiors. Olefin's advantages are its strength, colourfastness and comfort, its resistance to staining, mildew, abrasion, and sunlight, and its good bulk and cover.