Formula1 Super Dry Microfiber Drying Towel Double Thick, Extra-Large Microfiber Towel Dries Cars Fast! Super soft to leave a streak-free shine without scratching. Dries better than terry towels or chamois. Extra-large size to dry quickly. Instructions: For optimal performance, clean Super Dry after using to keep the microfibers thick and absorbent. First, soak the cloths in a bucket of hot water and dish soap. Then squeeze out any water and rinse with clean water. Once clean hang each cloth to drip dry for up to 8 hours.