... 1.easy to change image and install. 2.New acrylic material high quality ultra slim LED crystal light box Frame : Transparent AcrylicEasy to ... ,adustable button,S hook,etc Our advantages:low price,top quality,OEM service,short delivery time.Our main customers:Wal-Mart ... ,China Telecom,China Unicom,Gome,Suning, BHG, Great Wall,etc. high quality ultra slim LED crystal light box