Utopia Towels Shop Towels - (Pack of 100) - Size 13 x 13 Inches - Reusable Commercial Grade 100% Cotton Washable Cleaning Cloths - Perfect Shop Rags for Mechanic Work and Bar Mop Set includes 100 auto mechanic shop towels in blue measuring 13 by 13 inches each Woven with 100 percent ring spun cotton Machine washable, tumble dry on low For best results wash separately on first use to minimize lint Made from natural materials and no harmful chemicals and synthetic materials are added, which is safe for you and your family