8 x 11 inches. Fits all electrostatic mops including Swiffer (Swiffer is a trademark of Procter & Gamble Company). Deeper ridges for better cleaning. Attracts and traps dirt, dust and hair on any dry surface. Can be used by hand or attached to a sweeper. Safe for wood, vinyl, ceramic tiles, electronics, blinds, ceiling fans, dashboards, etc. Sheets are dry and unscented, leaving no residue behind. After use, simply remove and throw away. Satisfaction guarantee. Thank you for purchasing this quality product. Made in China.