The majority of modern microfiber travel towels are now impregnated with an antibacterial agent. the purpose of this is to stop mould, smells and rot that can be caused by leaving your towel damp over an extended period of time. Because you are travelling you may not always have time to leave your towel out to dry properly. By having an antibacterial coating you wont get any nasty surprises when you get it out of your bag later!
