Product details:Terminal advertising, high quality aluminum alloy material advertising frame, become the show high-end
standard of specification: A0=84.1X118.9 B0=100X141.4
A1=59.4X84.1 B1=70.7X100
A2=42.0X59.4 B2=50.0X70.7
A3=29.7X42.0 B3=35.3X50.0