... %, not broken, no radiation,strong brightness, high hardness, with no scratches for many years, easy to transport.Our led writing board ... .RGB LED colorful and shining as attractive as neon light.4.6 (pink, red, green, blue, yellow, white,) color fluorescent mark pens ... long life span, recycled, repeatedly written3. Erase easily with the soft cloth and without any trails.4. Strong abilities: anti-windy, ...