The WeatherTech Seat Protector is comprised of a polycotton twill cloth that includes a water-repellent finish, and an extra layer of nylon lining. Like most seat covers, these experienced a moderate glue odor on unpackaging, but this dissipated in a short time (within a working day). We only tested the https://www.techdirectory.io/automotive/shearcomfort-seat-covers-ltd