1.a unique patented technology manufacturing of the mop head, we call it twinlock yarn2.features: super wear-resistance, thus mop, can be washed over 500 times, the water temperature at 90 degrees, 20 minutes each, yarn will not spread,3.The velcroes in the picture all be tested,Now our products of the Velcro will not lose color by washing. A.before washedB.After washing products 10 timesC.After washing products 100 timesE.Ordinary product before washing F.Ordinary product after washing 5 times
industry cleaning mop head