Industry-leading loop back is made of 100% polyester and securely attaches to frame, even after laundering Double finished edges retain mop shape with use over time Tested to withstand 200 launderings to CDC guidelines in hot water (160°F) with chlorine bleach Dust mop prior to damp mop helps reduce floor haze and best maintains floor finish Chlorine resistant dye provides superior color-fastness to help cloths maintain color throughout laundering High-pile looped fringe design grabs and holds larger dust particles and debris Fits on HYGEN[TM] 59" Quick-Connect Frame (Q595)