Microfiber cloth for car cleaning is available in various GSMs in India. You should choose the best gsm cloth for car cleaning keeping in mind the softness of your car and the safety of its paint and also keeping in mind the process of car cleaning. 200-300 gsm is considered as a lightweight microfiber cloth and 300-400 gsm is considered as a medium weight microfiber cloth that cleans the interior as well as the exterior of the car. And the 400-600 gsm heavyweight microfiber fabric is known to be very strong in terms of absorbency which protects your car's paint and polish.