... Extra Large 4. Environmental Friendly Slim Acrylic LED Light Box♥ Product name: led light sign, light box, slim light box ... Material: acrylic panels, 5-10mm light guide panel (LGP), LED lights, etc;♥ Shape: round, square, irregular design shape;♥ Size ... widely used in business center, indoor decoration, chain stores, corperate signs, supermarket, airport, railway stations, subway, banks, large-scale ...