Signs are printed on premium aluminum that is rust free, sturdy, and strong.What's more,Signs not only uses Ultraviolet LED Inkjet Printer to ensure our signs will be of high quality but also uses top quality ink that is weather resistant and fade resistant.<br>Our premium signs have 2 pre-drilled holes and can be easily mounted on every surface. No need for adhesive or special equipment.<br>The package contains 2 Pack Exit Only Do Not Enter Signs and does not included screws, nails and other accessories.