1acrylic sign plate for Acrylic light box,outdoor advertising 2} OEM,DIY 3} Jointless,clear seam have no air bubble acrylic sign plate(Acrylic light box,outdoor advertising) Acrylic light box and shop sign all along everyday,acrylic sheet(virgin MMA)have better weather resistant,high light transmittance,not easily fade, color pure, color-rich, beautiful formation, Take into account the two ...