Projection screen made of white fiberglass with black backing to eliminate light penetration Product Name: Projection Screen Projection screen ratio: 16:9 Installation: ceiling, hanging installation Package included: 1 x projection screen + all accessories Easy to install: drop-down projection screen with automatic locking system, can be set at various heights Note: line shooting and different monitors may cause the color of the items in the picture and the physical object has a slight difference, this product is manually measured, please allow 1-3 cm error, thank you for your understanding