[Only For ] - These mop heads suit for System [Extra Large ] - The is made from highly absorbent large microfiber. The extra-large covers a larger area, absorbs and removes more moisture, and dries the floor quickly. [Efficient Cleaning] - The thoroughly contacts the floor and when used with water, can completely remove dust, dirt, and mess from tile and wood floors. Easy to replace, machine washable, and can be used for a long time. [Any Hard ] - Safe to use on all surfaces including hardwood floors, tile, vinyl, laminate, marble, and even glass. Friendly fabric makes it easy to wring out, speeding up drying time. [Worth Buy] - Unofficial accessory, it can effectively clean. This refill is a great choice either as a replacement for a worn or as a spare head. Product size: disc diameter 17.8cm, inner diameter: 10.5cm, the entire mop size 36cm 20 holes. Product weight: 148g/piece (manual measurement, ±5g error). This product has the characteristics of: high water absorption, strong decontamination, no hair removal, , easy to clean, no hair loss, etc. Colour:White & Green Material:microfiber Package Contents: 4 * Mop Replacement Heads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.