Easy Hanging from backside hanger. Just need a nail on the wall, No need any additional mounting process. 13'x13 (26'x39')inch 33x33(66x99cm). 20'x20'(39'x59') inch 50x50(100x150cm).30'x30'(59'x89') inch 75x75(150x225cm). Please contact for custom or larger size. 1.5cm away from the wall. Quality Lightweight 16 Gauge Steel. This type of mounting makes the artwork look like it's floating which creates an interesting drop shadow and 3D effect. For indoor & outdoor use.