This mop head is composed of synthetic sponge for enhanced liquid absorption and release. Cellulose construction resists and provides added durability. It is easy to clean and replace. A great household cleaning tool helper. Features - Color: Grey. - Material: PVA. - Size: 28.00X7.00X7.00cm/11.00X2.75X2.75inch. - PVA sponge features horizontal grooves, which and hair efficiently. - Effortless wringing action with maximum squeeze, easy and convenient, keep your hands free of dirt and water. - The sponge section can be easily removed and installed, you can remove it to replace another new one. - With strong affordability, it is perfect for cleaning corners, rooms, walls, windows, ceiling, etc. - Great for using tile, marble, laminate, wood floor, keep your house dry and clean. Package list: 9 x Mop Head Refills