Light Boxes Featuring Snap-Open Frame Light boxes, using LED technology, give you the ability to create brightly-lit presentations, at an affordable price. These lightbox display frames feature a slim, snap frame design for mounting your poster graphics to a wall or flat surface. At just .83\" thick, these slim light boxes take up little space and are therefore perfect for use in high-volume areas. Retail stores and public transit locations benefit from these displays. Light boxes, also known as slim light box frames, are equipped with snap-open molding so you can instantly update a display with new graphics. Simply flip open the molding to slide in your 18\" x 24\" graphics. We even provide these fast opening light boxes with two mounting options so you can display both landscape and portrait signs. Orient displays in the most eye catching format.