... ,material:acrylic,aluminium...... 2,logo:silkscreen printing outdoor billboard advertising SpecificationsROUND acrylic advertising boards outdoor/indoor materia:Aluminium alloy frame,acrylic panel logo:silk ... box sign,round light box-2sidesled outdoor signage,light box signage ,advertising signageApplication:Suitable for signboard,advertising exhibition,business center,supermarket etc1.Opal ...