【Material】: Made of environmentally friendly and sturdy wood-plastic composite material, with a line width of 0.8 inches, sturdy and lightweight, not easy to deform 【Size】: 4 pieces of same size 4 x 6 frame with 3.5 x 5 mat. The openings for the frame and mat are slightly smaller than the picture itself, so they fit securely in the frame 【Front】: High definition plexiglass is not easy to break, even if you get a heavy blow, you don’t have to worry about it hurting your family. Please tear off the protective film before to use 【Back】: Spring style action is easy to use, metal hanging hardware and 45-degree brackets allow the frame to be mounted horizontally or vertically to a wall or tabletop 【Quality Promise】: If there is any quality problem with the product you ordered, please contact us in time, we will solve your problem in the shortest time, please feel free to order CORE ART Black 4x6 Picture Frame with Mat for 3.5x5 Photos(4 Pack)