What are your frames made from?
10x10” (25x25cm) and 20x20” (50x50cm) Frames are available in black or white and made from fibreboard coated with a plastic foil. Front protection is polystyrene plastic. (some old stock frames may be glass front)
All other frames are made from wood and glass and available in natural wood, rustic, and painted black and painted white. They come in a variety of sizes, most commonly used 7x7”, 9x9”, 12x12” and 16x16”