Screen-printed, pressure-sensitive decals with vibrant UV inks from ScreenTech Imaging, a div. of Roeda Signs Inc., can help advertise portable restrooms. The company’s 3.5 mL white outdoor vinyl with high-tack adhesive and 90-pound paper liner is back-slit for easy application. Vinyl decals are durable to make a lasting impression. Custom mini-magnets are also available. The mini-magnets come in two shapes, a portable toilet and a pumper truck. Screen-printed with durable inks, they can be placed on metal office desks, cabinets or home refrigerators. 800/829-3021; www.screentech.com.