Artwork is dye sublimated on polyester knit. Double-sided graphic cover is viewable from both front and back of display. Graphic cover slips over the frame like a pillowcase. Lightweight aluminum frame. Sanitizing solution not included. Unit compatible with gel sanitizer only. Requires 4 "C" batteries (not included). Imprint Method: Full-Color Dye Sublimation. Double Sided Graphic.