... Size:22''-200" Manual screen,Projector screen,Adavanced automatic-locking device Factory supplier1.Dust abatement with breakthrough of anti-electrostatic technology ... , mildew resistant, flame retardant and durable for daily use without color fading and deforming.4.Cooperated to use with the center ... / Matte white screen Manual screen,Projector screen,Adavanced automatic-locking device