EXCELLENT QUALITY & VALUE - Microfiber mop heads are the best: their ability to mop up and hold a good amount of water is incredible. The fibers are longer, they spin out easily and clean the tile floor well. These spin mop refill heads are lightweight miracle cloth pieces. Useful for anything that requires a good cleaning. MAKES CLEANING EASY - A mop bucket often has a foot pump you press, with the mop head inserted into part of the bucket, and the spinning action that results pulls the water out of the mop head, right into the bucket. No more crazy squeezing with sore hands to rinse out the mop. IDEAL SIZE - The triangle shape of the head allows you to get in tight places/corners, the easy cleaning mop size with is perfect for home use. You can mop without leaving a ton of water behind, so the floor dries quickly. A MUST HAVE FOR CLEANING - Good accessory to the mop system with these replacement mop heads. The 10-pack microfiber spin mop refill is safe and will not scratch hardwood floors. You can easily remove the mop head for sanitary cleaning in the washing machine.