11x17 poster frames are made from several rigid materials, most commonly MDF/engineered wood, plastic/PVC, and engineered wood-plastic composite (manufactured wood).
Yes. Some 12x18 frames are sold to display a 12x18 image without a mat or include a removable mat so they can display an 11x17 image instead. Listings that offer this option specify the mat area or actual mat size.
Many 11x17 frames include a mat. A common listed mat opening is about 10.5 x 16.5 inches; at least one listing specifies the mat opening is roughly 0.5 inch smaller than the frame size.
Yes. Most 11x17 frames support both portrait (vertical) and landscape (horizontal) display and include hanging hardware such as sawtooth hangers to enable either orientation.
Frames use a backboard system with turn buttons or metal tab closures to load and secure the poster. Many listings note a sturdy backboard that keeps the picture flat and in place.
Common pack options include single frames, 2‑packs, and 5‑pack sets.
Spot clean or wipe the frame as needed. If the frame cover has a protective film, remove that film before use to avoid smudges or distortion.
