Kent A4 21x30cm Black Certificate Frame. Kent is a black classic competitively priced wood certificate frame with a 20mm flat MDF wood effect paperwrap wood which gives your chosen certificate or image maximum impact. MDF drop in backs with flexible clips for holding your image in place and hanging loops for wall mounting either landscape or portrait. Also has a rear strut for freestanding on a table. Shrinkwrapped. NON-GLASS version.