Want to get your message across? Great ideas deserve to be spread, and what easier way than using custom magnets anywhere there is a metallic surface? These strong, fast holding magnets boldly broadcast your message for all to see, get yours today! .: For indoor or outdoor use .: Three sizes to choose from .: Thin (.8 mm) and lightweight .: Black backing Technology & Inks Using a wide-format digital printing service that applies a white or transparent underlay to the pixels in the design area, then adds color using environmentally friendly eco-solvent inks, for more vibrant colors. Quality Control Each item is individually inspected prior to shipping, checking the print quality and positioning as well as the item itself as it should be fully functioning. Packaging Shipped in a flat, durable cardboard mailer envelope.