Common materials include synthetic fibers such as 100% polyester and 100% polypropylene, and natural or blended options like a 72% cotton/28% wool flatweave. Listings typically call out these fiber types for black runners and stair runners.
Common protective qualities listed are stain-resistant fibers, non-shedding construction and non-slip backing. Some listings also highlight machine-washable or easy-clean materials for busy households.