Flat dust mop with patened weave yarn; over 500 times washing under 95 degree water, yarn withou fraying. Flat dust mopgood water absorbtion & dust collection.size: L(39.5/45)cm * W12cmface fabric: 100% polyesteredge yarn:67%polyester, 28%viscos, 5%nylonInlay:80% viscos, 20% polyester (1 layer 250g/m2)Velcro: 100% polyester, more strong High quality flat dust mop