PortalMark Skin Markers are ALL NEW! In lieu of permanent or temporary tattoos, apply PortalMark labels to delineate radiation treatment areas. Their premium medical grade adhesive is hypo-allergenic and latex-free, resulting in less irritation for the patient. PortalMark labels are constructed of waterproof, yet breathable material for maximum performance and comfort for up to two weeks. Our unique Suregrip applicator discs ensure easy and accurate placement of PortalMark labels without contaminating the adhesive. PM-450: PortalMark Set Up Points for darker skin surfaces - alternate adhesive (110 per box) Proudly made in the USA and sold by a Veteran Owned Small Business