The Microfiber Cleaning Cloths will not scratch surfaces; however, they may pick up and trap particles that may scratch. Take care to wash your Microfiber Cleaning Cloths after each use. This product

S&T INC. 150 Pack Microfiber Cleaning Cloth, Bulk Towels for Home, Reusable Microfiber Towels for Cars, Cleaning Rags, Assorted, 11.5 Inches x 11.5 Inches, 150 Count