It's easy to freshen up your bathroom with the towel set. The cotton blend bath towels are made with silverback technology, a process that integrates silver into the polyester thread. Silverbac is a colloidal silver technology that prevents and eliminates the growth of harmful odor-causing bacteria, keeping your linens fresher longer. Silver holds a positive charge and attracts bacteria’s negatively charged cell walls. The silver ions impact the respiratory and reproduction processes of the microbes. Unlike other solutions, the silverback is encapsulated, and not a finish or coating, it remains effective for the life of the product. It will not wash or wear away during laundering, and there is no compromise to the feel or performance of the product.