TRIMLESS LETTERS TRIMLESS LETTERS Solid Acrylic Face, Painted Reverse stainless steel or aluminum Back And Edge, White Painted Inside, Samsung led, Mean Well Led driver. CE standard and UL option Outdoor and Indoor Trimless Channel Letters This example is front 8mm (5/16") white acrylic (plexiglass). The sides and backs are 304 alloy brushed faces and matte varnished inox (stainless steel). TRIMLESS CHANNEL LETTERS Solid Acrylic Face, Painted Reverse Inox Back And Edge, White Painted Inside, Led Lighted Special Interior And Exterior Sign Letters! </span style="color:> OTHER OPTIONS Front and Halo Lit Trimless Channel Letters Halo Lit Channel Letters