Photopolymer is a light-sensitive material that can give you raised letters and graphics for your signs. It comes in various thicknesses and signs can be up to 12" x 18". The background is usually sprayed one color and the text and graphics are silkscreened another color (at least 70% contrast). VLS Graphics can color-match any color you like. There is a one-time charge of $50 for every custom color.

This is a simple photopolymer sign.