This is single side aluminum profile 65mm,1.8mm wall thickness. 99% allory aluminum by SGS certification.SEG Fabric Lightboxes Frame illuminate backlit graphics with perimeter LED lighting that’s powerful and energy-efficient (14W/12W per LED module). With a life expectancy of over 50,000 hours, The Edge Lit Light Modules inside each lightbox have a specially designed power supply. build in the backlit .
