Beautiful photo frames handmade in our own workshop by craftsmen who are specialist in frames. All sizes quoted above are the glass/plastic size or Picture size you will frame NOT the overall frame size. Approx. 5 mm picture would be hide in viewing window, because to hold picture under frameMaterial:High-Quality solid MDF moldings with high quality backboard and shatterproof plastic styreneEach frame is fitted with premium quality backing board and high quality Perspex (plastic safety glass) styrene sheet.Perspex has the same clarity as glass.There is a protective cover paper on the both side of the Perspex sheet, Please remove that before framing your pictureGuideline about Sizing:When measuring a frame the picture size taken in to consideration so the size given i.e. 10x8 inches will be the size of the backing board and the glass.This size is taken from the back of the frame and not the front and not the overall size.When picture is placed in the frame approx. 4mm of your picture will be covered from all sides i.e. for a frame size 700x500mm the viewing window will be approx. 692x492mm.If your frame was 10x8 inches the viewing window at the front will measure approx. 9.7 x 7.7 Inches.