Features: 1) Very thin, changing pictures easily, easy installation 2) Evenly bright, economizing on energy, comparing with the same size traditional light box, it can save more energy 3) Advanced light-guide design, making sure the light box is not easy to aging and bend by the heat 4) Environmental protection 5) Easily installing and changing pictures 6) Different standard size (largest: 1,700 x 3,200mm) 7) Evenly Note: the intellectual property shown on the listed products belong to third parties; the products are offered as examples only