A4,A3,A2,A1,A0 led slim light box 1.Any size can be customized 2.Snap frame can ... to change the poster 3.17mm slim A4,A3,A2,A1,A0 led slim light boxDataProduct nameLED Light BoxModel No.KT-GGP-A4Product Size297x210mm ... for outdoor and indoor use.Features 1.Make your photo/picture more brilliant and show the best effect of your products2 ... change the posterBack side A4,A3,A2,A1,A0 led slim light box