Does the subject want to ask, "How many colors do Guangxi household towels have?" ? Five categories. According to Sohu.com, blue towels are suitable for wiping public areas, green towels are suitable for wiping office supplies, red towels are suitable for wiping toilets, urinals and other items, yellow towels are suitable for wiping bathroom mirrors, countertops and basins, and white towels can be used for cleaning kitchens.