SIZE：The 8x12 picture frame perfect for the picture 8"x12",or display 6"x8" with mat.Please note that to hold the clear plexiglass and paper better,The front view display of the collage picture frames will smaller 0.5". MATERIAL：These picture frame set made of high-quality plastic, The transparent protective cover board also. So the photo collage frame for wall difficult to broke in the falled, Do not worry about hurt your sweett kids. DISPLAY:Certificate frame has horizontal hooks & vertical hooks to help you wall mounted displayed the diploma frame for your home decoration by 2 ways,the hanging Nail include in the package. INSTALL：12x8 picture frame used metal flexible lock tabs to hold the backboard,rota to open and close,easily to install.Caues of the lock tabs flexible,You not only display thin picture by this wall frames,also thicker as diamond art and more. Quality：Choose Heimlove,You will get the durable and sturdable document frame,the frame's front view protective cover is HD Plexiglass,picture holding by the wooden backboard and metal lock tabs.Heimlove provide 90days free return&replace for every college diploma frame.360 days 24-hours servise online. Heimlove 8x12 Picture Frames with Mat to Display 6x8 Picture Set of 5,Plastic Black Photo Frame for Poster,Diploma,Certificate and Document with Gallery Wall Frame Set