High-pile, 100% microfiber collects and holds dust and dirt mechanically and electrostatically. Dense ultra-fine quality fiber remove dust, dirt and bacteria. Advanced hook-and-loop backing holds-up under harsh laundering conditions and attaches pads securely. Durable pad construction is third party tested for toughness. Withstands more than 300 launderings. Double finished edges retain pad shape. 24 inch x 5.5 inch pad. LEED Applicable.