Product Feature: 1)The lamp shade is one-step injection of high quality PC,clean and smooth. Joint line could not recognized by eyes and no sprue on it. 2)High light transmittance(90%) and illuminant concealment, strong light diffusivity without shadow and glare turn point light source to spherical lighting. 3)Frame retardancy.Its grade cam be from V2-V0. 4)Outstanding physical properties,making it resistance to impact and fracture.