The Rubbermaid Mop Head Replacement Commercial Blend Refill is a 2 pack of replacement mop heads specifically designed for string mops. Made by Rubbermaid Commercial Products, these refill heads are woven with a blended material for durable and effective cleaning. The model number #24 ensures compatibility with Rubbermaid string mops, making it easy to keep your floors clean and spot-free. This product is ideal for those who need to regularly replace their mop heads to maintain a clean and hygienic home or commercial space.