The Trappa Light Box Sign 04 is a 2.5x3.5-ft snap-frame LED light box that features an edge-lit LED diffuser panel, a thin 1" profile and easy-to-use snap frame design. The LED diffuser panel ensures even light distribution and brightness. Silver frames snap open from the front to allow quick and easy sign changes. No tools are required. Comes standard with clear protective lenses, fully assembled and ready to hang! Trappa Light Box 04 is perfect for retail signs, hospital signs, hotel signs, office signs, trade show signs and more.