Disposable mop head is made from DuPont's nonwoven Sontara material that outlasts and outperforms standard cotton and rayon mops. Hy-Sorb mop holds seven times its weight in liquid and needs no break-in period. Lightweight mop head is nonlinting, mildew-resistant and fast-drying, and fits any professional stirrup-style style or jaw-style handle. Sold by each. Blue.