The most frequently used carpet fiber, highly desirable due to its exceptional durability, versatility, and reasonable pricing. It can be dyed in an endless variety of colors and made into numerous styles and textures. Nylon is commonly used in residential and commercial applications.

Used in residential and a few commercial applications, polyester has good color clarity, colorfastness, and resistance to water-soluble stains. Made from recycling plastic bottles. This "food-grade" PET Polyester fiber might be considered to be better quality than "carpet-grade" polyester fiber.

Also known as Olefin, this fiber resists fading, generates low levels of static electricity, is favorably priced, and can be engineered in outdoor applications. Due to its manufacturing process, polypropylene inherently resists stains. When used in specific carpet constructions, this yarn will perform as well as most resilient fibers.

The most expensive of the fibers listed here, it is a natural fiber with moderate soil and stain resistance. Durable, luxurious "hand", reduced visible soil due to fine, light-scattering characteristics.