Specially designed for institutional applications, its looped ends prevent deplying, linting and fraying for maximum service life. Bulker, loosely twisted yarn is an efficient trap for better dust collection and retention. 4 ply, looped end, 100% cotton yarn. 100% polyester backing. Keyhole with ties. 100 to 120 washings depending on consistency of laundry processing in relation to Tuway laundry specifications.