LopBast Screen 100INCH Manual Pull Down White Projector Screen 16:9 1.2 Gain Retractable Auto-Locking 4K 8K 3D Ultra HD for Home Theater Movie.

High Quality Material Metal housing design, can effectively prevent damage and deformation during transportation. The projector screen uses a composite fabric of multiple layers, make the surface smoother and flatter, fully black backed to eliminate light penetration, has excellent projection quality. Manual Self-Locking Device Use manual self-locking design, can pull down to lock the screen to the specified position exactly. The slow retract mechanism uses high-purity lubricating oil and sealed dust-proof structure, long-lasting durability.