advertising led light letter 1. The size is flexible. 2. High quality acrylic 3.magnetic panels 4.CE & RoHS advertising led light letter Product’s features1. Material1) Body: Acrylic2) Border: Aluminum/Stainless Steel/Galvanized Sheet/Acrylic2. Waterproof, can be used at outdoor3. The led modules inside can keep for long time4. customers’ designs are welcomed, different style, color are ...