Microfiber + a20 fiber multi towel set includes two towels: an extra large size 60x30in microfiber towel and a 15.5×15.5in a20 fiber mini towel. our microfiber towel has been designed with curved trimming which increase the life of product. it’s made of microfiber. those microfiber is lightweight and compact. microfiber towel is drying 4 to 5x faster than standard towel. a20 fiber towel use a new material which the fiber is about 1/6 the diameter of human hair. it’s drying 2 to 3x faster than microfiber towel and 2x lighter than microfiber towel. those two towels are also anti-bacterial. this set of two towels weight only 9 oz.! or just buy an a20 fiber mini towel: 15.5×15.5in. weight only 0.6 oz.! ideal for camping, hiking, boating, gym, sport, yoga, backpacking, travel, etc. wash in water after 10 seconds when your first use. machine wash warm and separately, tumble dry low or air dry, no fabric softener, no bleach.