P21S Super-Absorbing Drying Towel With Case A lint free, amazingly strong, biodegradable synthetic chamois that out absorbs all others, including a natural chamois. Super fast-drying, non-streaking, non-spotting - even on glass. The 15.7 inch x 14.5 inch towel is packaged in a 6 inch x 3 inch plastic case that fits in the glove compartment. Dry your car, wring it out and store it wet in its case. When it becomes dirty, wash in a washing machine, using detergent only, and put it back in its case wet.