General size: The plastic dome of our mop head is 6.3 inches in diameter (round). Fits most common mops (not compatible with all disc mops; please read size information before purchasing). This item provides strong cleaning performance, effectively removing stubborn dirt, grime, and grease without leaving water marks for a clean home. Made of microfiber fabric, it is washable and reusable, with excellent water absorption, quick-drying properties, and durable construction. Package includes 4 mop heads for convenient cleaning and drying. Features quick installation and simple operation. This replacement mop head is suitable for floor, glass, and car cleaning. Wide usage: Microfiber mop heads are ideal for dry and damp use. Suitable for cleaning, polishing, and maintaining smooth surfaces such as wooden floors, tiles, and marble. Note: Measurement data is manually taken; please allow 13 cm variation. Due to differences in lighting and screen displays, slight color variations may occur. Actual product may vary slightly in appearance.