... 3. Extra Large 4. Environmental Friendly Slim Acrylic LED Light Box♥ Product name: led light sign, light box, slim light box♥ Structure of ... box:♥ Material: acrylic panels, 5-10mm light guide panel (LGP), LED lights, etc;♥ Shape: round, square, irregular design shape;♥ Size: ... posters, only need to open the advertising screws;♥ Light source: LED lights (light on 2/4sides);♥ Color of light: red, green ...