Anodised aluminium frame,long life span, eco-friendly, ultra slim, energy saving, easy to change poster and installation Snap-Frame ... components CE certified.Maximum size: KM-F22 single side 1800x1200x42mmApplications:Slim Light Box is widely used for shopping malls, leisure square, stage ... , business center, chain store, cafe, shopping mall, clubs, bars, etc Slim Snap frame Light Box - round corner