Package Includes: 2pcs of blue microfiber strands mop refill, 1pc of white microfiber mop refill. (handle is NOT included) Material: Fine microfiber. soft, absorbent strings that will not scratch floor surfaces, attract dirt, dust and hair, for both wet and dry use. Dimension and Fit: Mounted rod diameter: 0.8", Compatible with All Standard US Threading Pole Reusable and Machine Washable: Made with fine microfiber means it could be washed with all kinds of disinfectants and with high temperature. Risk-Free Purchase: You can contact us to get full money back or a new replacement if you are not 100% satisfied with our mop head. Just contact us through your orders page and we will process your request without a question asked.