[Mop-Headpad Size]13.0 4.9Inches. Replacement Microfiber Mop Pads For Flat Mops. Recommend Replacing Refills Every 1-2 Months Up To Use Frequency. | | [Wetdry Use] Microfiber Mop Pads, Which Are More Effective On Picking Up Dirt And Absorbing Water. | | [Large Quantity Bundle]Total 50 Pads! Two Kinds Of Grey And Stripe Pads. The Stripe Pads Are Added More Short Nylon Filament So More Suitable For Heavy Duty Cleaning. | | It'S Easier And Much More Efficient To Use 'S Flat Mop With It'S Specified 'S Buckets Together. | |