Through our experience, Suremark® has implemented many manufacturing techniques that greatly improve efficiency, resulting in substantial savings over competing brands. All Suremark® skin markers are backed by an unconditional money-back guarantee within one year of purchase. These are just some of the reasons why Z&Z Medical is proud to partner with Suremark to offer our customers the Best Skin Markers for your patients and that ship in 24-48 hours. Over 40 skin markers to choose from. Save money and buy 5 more boxes!