Sonax Microfiber Cloths Ultrafine is a professional standard cloth for the highest requirements necessary, especially sensitive surfaces. Leaves no residues or wipe induced scratches after final polishing. The cloths have rounded-off corners and turned-in edges to maximize softness. Seams are stitched in different colors to avoid using different products with the same cloth. Each pack contains 3 towels with different colored seams; White, Red and Blue. Each cloths edging is silk to reduce etching on newly polished paint surfaces. There are no tags on the towels. Very soft and absorbent.