Acrylic plastic light boxes ready, why can see the problem inside the light tube to add: Thank BDYQQ sugar answer! Because we shop installed acrylic plastic light boxes, they saw rows of tubes, not only did not feel high-quality, anti-that looked very uncomfortable, if any of you as a friend to know this area and production of materials and how to avoid the apparent lamp, how luminous uniform, Excuse me advice, thank you!