The all-purpose microfiber towels are an 80% Polyester and 20% polyamide microfiber blend with a 200 GSM thickness. The towels help remove more bacteria and dirt than regular cotton cloths. The quick drying and non-abrasive towels provide a cleaning free of lint, scratches, and streaks. The mitt can be used wet or dry. Each towel measures 16" x 16" and is machine washable.