DEEP CLEANING MICROFIBER: The anti-abrasion microfiber swivel mop refill easily removes and absorbs stubborn dirt and grime. Washable and reusable: The microfiber mop head is machine washable! We recommend changing the mop head refill every 3 months for best floor cleaning results. Product Information: The triangular disc size is 11cm, the inner diameter is 7.5cm, the whole mop diameter is 30cm, the hair length is 10-11cm, and the weight is about 85 grams . Applicable product: O-Cedar EasyWring RinseClean. Packing List: 3 Replacement Spinning Mop Heads We only sell replacement Spinning Mop Heads, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.