6pcs Set of Replacement Brush Heads- Size: Approx. 16.5"x5.5". Our mop pads are safe to use in homes, day care centers, hospitals, health care centers. Extremely Durable & Reusable- The durable microfiber towel can be washed up to 100 times, saving money and reducing waste. *We recommend not to mix with other fabrics or use fabric softener. Deep Clean- Designed to leave laminate, tile, stone and hardwood spotlessly clean. Wide, thick microfiber pad reaches deep into cracks and crevices to pick up 50% more dirt than traditional sponges. Easy to Use- The mop head can be easily attached to a mop or removed for washing or replacement. Note: Only suitable for mops with thorns or hook and loops on the surface which can attach the mop pad to the mop.