... . 2.black, silver, gold or etc for frame colour. 3. snap function change poster light box1.8mm,15mm, 28mm and 40mm ... , silver, gold or etc for frame colour.3. snap function change poster 1.Aluminum frame which thickness at 8mm,15mm, 28mm and ... black, silver, gold and any other color you wan.4. Snap function, 4 side frame can open and close that change ...