Model:Super Slim Light Box
Specifications:less than 0.3 square single face small aluminum
single face small aluminum
single face big aluminum
double face
more than 1.2M width big aluminum 
special baking finish light box frame,add 10RMB for every additional 1 square
thickness of light box:2.8cm(above 1.5squaremetre ,thickness is 4.2cm)
max size:1.5*3m
customized as you required, an option of single face or double face