For watercolors and Japanese paintings. I used it for a short period, but the painting I wanted to put in it didn't fit, and I've kept it stored since then. It's an arte mondo product, so the backboard is well-made, and it has acrylic glass, so you don't have to worry about the glass scattering if it's dropped. A4 size fits. Frame 48 x 31 cm, window 36 x 29 cm. It's not new, but it's in good condition. New frames are expensive if you look for them in shops. If you're looking for one, please consider this. #arte-mondo